# Counts of Schauenburg and Holstein

The Counts of Schauenburg and Holstein were titles of the Holy Roman Empire. The dynastic family came from the County of Schauenburg near Rinteln (district Schaumburg) on the Weser in Germany. Together with its ancestral possessions in Bückeburg and Stadthagen, the House of Schauenburg ruled the County of Schauenburg and the County of Holstein. The comital titles of Holstein were subject to the liege lord, the Dukes of undivided Saxony until 1296, and thereafter the Dukes of Saxe-Lauenburg.

## The counties of Schauenburg and Holstein

The County of Schaumburg originated as a medieval county, which was founded at the beginning of the 12th century. It was named after Schauenburg Castle, near Rinteln on the Weser, where the owners started calling themselves Lords (from 1295 Counts) of Schauenburg. Adolf I probably became the first Lord of Schauenburg in 1106. In 1110, Adolf I, Lord of Schauenburg was appointed by Lothair, Duke of Saxony to hold Holstein and Stormarn, including Hamburg, as fiefs.
In a battle with Denmark, however, Adolf III became prisoner of the king Valdemar II, to whom he had to give Holstein in exchange for his freedom. In 1227 Adolf III's son, Adolf IV, recovered the lost lands from Denmark. Subsequently, the House of Schaumburg were also counts of Holstein and its partitions Holstein-Itzehoe, Holstein-Kiel, Holstein-Pinneberg (till 1640), Holstein-Plön, Holstein-Segeberg and Holstein-Rendsburg (till 1460) and through the latter at times also the dukes of Schleswig.

### Partitions of Holstein
#### Holstein partitions of 1261 and 1273

After 1261 the previously jointly ruling brothers Gerhard I and the elder John I divided the Counties of Holstein and Schauenburg (Schaumburg). Gerhard I received the Counties of Holstein-Itzehoe and Schaumburg, whereas John received the County of Holstein-Kiel. After the death of John I, his sons Adolphus V and John II reigned jointly in Holstein-Kiel. In 1273 they partitioned Holstein-Kiel and John II continued ruling over Kiel; Adolphus V the Pomeranian then received Segeberg (aka County of Stormarn). After the death of Adolphus V, Holstein-Segeberg was reincorporated into Holstein-Kiel.

#### Holstein partition of 1290 and reversions of 1350 and 1390

After Gerhard I's death in 1290 his three younger sons partitioned Holstein-Itzehoe and Schaumburg into three branches, with Adolph VI the Elder, the third brother, getting Holstein-Pinneberg and Schaumburg south of the Elbe, the second brother Gerhard II the Blind getting Holstein-Plön, and the fourth Henry I receiving Holstein-Rendsburg. The eldest brother John was Canon at the Hamburg Cathedral.
After the death of Gerhard II his sons Gerhard IV and his younger half-brother John III the Mild inherited and ruled in Holstein-Plön together. In 1316 the brothers militarily seized the possessions of John II the One-Eyed (d. 1321) in Holstein-Kiel, whose sons had been killed. John III the Mild, before a second-born co-ruling count in Plön, then received Kiel from the deposed John II the One-Eyed, a cousin of his father Gerhard II the Blind. Gerhard IV continued ruling Holstein-Plön as sole count.
After the death of John III's nephew Gerhard V, Count of Holstein-Plön in 1350, who had succeeded Gerhard IV, the Plön line became extinct and John III re-inherited their possessions. In 1390 his son Adolphus IX (aka VII) ruling since 1359 Kiel including Plön, died without issue and thus Nicholas (Claus) of Holstein-Rendsburg and his nephews Albert II and Gerhard VI (jointly ruling till 1397) succeeded to the territories of Holstein-Kiel and Holstein-Plön.

#### Holstein partition of 1397 and the extinction of the Rendsburg line in 1459

In 1390 the Holstein-Rendsburg line had assembled the larger part of the partitioned Holstein counties, to wit Kiel, Plön and Segeberg, but not Holstein-Pinneberg, which existed until 1640. Members of the Rendsburg family branch were often also simply titled as Counts of Holstein after 1390. For the Pinneberg family branch, usually residing in the County of Schaumburg, the titling after Schaumburg started to prevail.
In 1397 after the death of their uncle Nicholas (Claus), with whom the nephews Albert II and the elder Gerhard VI had jointly ruled Holstein-Rendsburg, they partitioned Holstein-Segeberg (aka county of Stormarn) from Holstein-Rendsburg, with Albert receiving the new branch county in return for waiving his co-rule in Rendsburg. After Albert's death in 1403 Segeberg reverted to Rendsberg. In 1459, with the death of Adolphus XI (aka VIII), the Rendsburg branch was extinct in the male line and the nobility of Holstein-Rendburg and of Schleswig then assigned the succession to his sister's son King Christian I of Denmark, House of Oldenburg.

#### The last Schauenburg line ruling Schaumburg and Holstein-Pinneberg till 1640

After King Christian I of Denmark, House of Oldenburg had been chosen as heir to the County of Holstein-Rendsburg Christian ascended to the comital throne in 1460. In 1474 Frederick III, Holy Roman Emperor, elevated Christian I from Count of Holstein-Rendsburg to Duke of Holstein. For his succession in the Duchy of Holstein see List of rulers of Schleswig-Holstein#House of Oldenburg (1460–1544). The Schauenburg line in the Counties of Holstein-Pinneberg and Schaumburg persisted until its extinction in the male line in 1640. This line is also known as Holstein-Schauenburg. The Counts were elevated to Princes of Schaumburg in 1619/1620, however, the Dukes of Holstein opposed the transition of that title to the County of Holstein-Pinneberg.

#### Schaumburg partition of 1640

After the death in 1640 of Count Otto V without children, the rule of the House of Schaumburg ended in Holstein. The County of Holstein-Pinneberg was merged under Christian IV with his royal share in the Duchy of Holstein, which is now part of the state of Schleswig-Holstein. For Christian IV and his successors see List of rulers of Schleswig-Holstein#House of Oldenburg (1640–1713)
The Principality of Schaumburg proper, however, was partitioned among the agnatic Schauenburg heirs into three parts, one incorporated into the Principality of Lüneburg of the Duchy of Brunswick and Lüneburg, the second becoming the County of Schaumburg-Lippe and the third continuing the name County of Schaumburg, ruled in personal union by Hesse-Cassel. All the three are now part of the state of Lower Saxony. The Sovereign Lordship of Gemen, in 1531 acquired for Schaumburg through marriage by Jobst I, and ruled by his second-born son of Jobst II (ca. 1520–1581, regnant since 1531), passed on to the family of Limburg Stirum. Gemen is in today's North Rhine-Westphalia.

### House of Schauenburg
#### Partitions of Holstein and Schauenburg under Schauenburg rule

Counties of Holstein and Schauenburg (1110–1261) :
| | | County of Itzehoe (with Schauenburg) (1261–1290) | County of Itzehoe (with Schauenburg) (1261–1290) | County of Itzehoe (with Schauenburg) (1261–1290) | County of Itzehoe (with Schauenburg) (1261–1290) |
| County of Segeberg (1st creation) (1273–1315) | | County of Itzehoe (with Schauenburg) (1261–1290) | County of Itzehoe (with Schauenburg) (1261–1290) | County of Itzehoe (with Schauenburg) (1261–1290) | County of Itzehoe (with Schauenburg) (1261–1290) |
| County of Segeberg (1st creation) (1273–1315) | | Renamed County of Plön (1290–1350) | | County of Pinneberg (with Schauenburg) (1290–1640) | County of Pinneberg (with Schauenburg) (1290–1640) |
| County of Pinneberg (with Schauenburg) (1290–1640) ||
| County of Segeberg (2nd creation) (1397–1403) | County of Rendsburg (1290–1459) (with Duchy of Schleswig in 1325–30 and 1375–1433) | County of Rendsburg (1290–1459) (with Duchy of Schleswig in 1325–30 and 1375–1433) | County of Rendsburg (1290–1459) (with Duchy of Schleswig in 1325–30 and 1375–1433) | | | County of Pinneberg (with Schauenburg) (1290–1640) | County of Pinneberg (with Schauenburg) (1290–1640) |
| County of Pinneberg (with Schauenburg) (1290–1640) ||||
| Annexed by Denmark, forming the Duchy of Holstein | Annexed by Denmark, forming the Duchy of Holstein | Annexed by Denmark, forming the Duchy of Holstein | Annexed by Denmark, forming the Duchy of Holstein | | County of Gemen (1531-1622) |
| Annexed to the Duchy of Holstein ||

#### Table of rulers

| Ruler | Ruler | Born | Reign | Ruling part | Consort | Death | Notes |
| Adolph I | | c.1090? Son of Adolf? | 1106 – 13 November 1130 | County of Schauenburg (with Holstein since 1110) | Hildewa before 1128 four children | 13 November 1130 aged 39-40? | First count of Schauenburg, in 1110 becomes count of Holstein. |
| Regency of Hildewa (1128-1142) | Regency of Hildewa (1128-1142) | Regency of Hildewa (1128-1142) | Regency of Hildewa (1128-1142) | Regency of Hildewa (1128-1142) | Regency of Hildewa (1128-1142) | Regency of Hildewa (1128-1142) | Between 1137 and 1143, Holstein fell under the control of Henry of Badewide, who married a relative of the King of Denmark. However, Adolph and his mother kept Schauenburg and made great efforts to recover Holstein, as much as, by 1139, Henry's domain was already restricted to Wagria. |
| Adolph II | | c.1128 Son of Adolph I and Hildewa | 13 November 1130 – 6 July 1164 | County of Schauenburg (with Holstein) | Matilda of Schwarzburg-Käfernburg c.1155 one child | 6 July 1164 Verchen aged 35-36 | Between 1137 and 1143, Holstein fell under the control of Henry of Badewide, who married a relative of the King of Denmark. However, Adolph and his mother kept Schauenburg and made great efforts to recover Holstein, as much as, by 1139, Henry's domain was already restricted to Wagria. |
| Regency of Matilda of Schwarzburg-Käfernburg (1164-1174) | Regency of Matilda of Schwarzburg-Käfernburg (1164-1174) | Regency of Matilda of Schwarzburg-Käfernburg (1164-1174) | Regency of Matilda of Schwarzburg-Käfernburg (1164-1174) | Regency of Matilda of Schwarzburg-Käfernburg (1164-1174) | Regency of Matilda of Schwarzburg-Käfernburg (1164-1174) | Regency of Matilda of Schwarzburg-Käfernburg (1164-1174) | Count of Schauenburg and Holstein, ceded Holstein to Denmark in 1203 in order to be released from captivity. In 1208 Holstein passed to the Count of Weimar-Orlamünde, Albert I, who held residence at Stormarn. In 1227, Albert would be defeated by Adolph III's son, Adolph IV. |
| Adolph III | | 1160 Son of Adolph II and Matilda of Schwarzburg-Käfernburg | 6 July 1164 – 3 January 1225 | County of Schauenburg (with Holstein until 1203) | Adelaide of Assel 1182 no children Adelaide of Querfurt Before 10 May 1189 four children | 3 January 1225 aged 64-65 | Count of Schauenburg and Holstein, ceded Holstein to Denmark in 1203 in order to be released from captivity. In 1208 Holstein passed to the Count of Weimar-Orlamünde, Albert I, who held residence at Stormarn. In 1227, Albert would be defeated by Adolph III's son, Adolph IV. |
| Adolph IV | | c.1200 Son of Adolph III and Adelaide of Querfurt | 3 January 1225 – 1238 | County of Schauenburg (with Holstein from 1227) | Heilwig of Lippe 1223 four children | 8 July 1261 Kiel aged | Count of Holstein by military victory over Valdemar II; In fulfilment of an oath taken before this same victory, Adolph withdrew in 1238 to a Franciscan friary and in 1244 was ordained a priest in Rome. |
| Regency of Heilwig of Lippe and Abel of Denmark (1238-1243) | Regency of Heilwig of Lippe and Abel of Denmark (1238-1243) | Regency of Heilwig of Lippe and Abel of Denmark (1238-1243) | Regency of Heilwig of Lippe and Abel of Denmark (1238-1243) | Regency of Heilwig of Lippe and Abel of Denmark (1238-1243) | Regency of Heilwig of Lippe and Abel of Denmark (1238-1243) | Regency of Heilwig of Lippe and Abel of Denmark (1238-1243) | Children of Adolph IV. John and Gerhard ruled jointly on their first years of rule, under regency. They had to wait their abdicated father's death, because only that would explain their late division of the inheritance. After Gerhard's death in 1290 his sons partitioned Holstein-Itzehoe and Schaumburg into three branches. Matilda received property in Schleswig that she left to her brothers after her death. |
| John I | | 1229 First son of Adolph IV and Heilwig of Lippe | 1238 – 20 April 1263 | County of Kiel (co-rulership in Schauenburg-Holstein until 1261) | Elisabeth of Saxe-Wittenberg 1249 or 1250 four children | 20 April 1263 aged 33-34 | Children of Adolph IV. John and Gerhard ruled jointly on their first years of rule, under regency. They had to wait their abdicated father's death, because only that would explain their late division of the inheritance. After Gerhard's death in 1290 his sons partitioned Holstein-Itzehoe and Schaumburg into three branches. Matilda received property in Schleswig that she left to her brothers after her death. |
| Gerhard I | | 1232 Second son of Adolph IV and Heilwig of Lippe | 1238 – 21 December 1290 | County of Itzehoe (co-rulership in Schauenburg-Holstein until 1261) | Elizabeth of Mecklenburg 1250 eleven children Alexia of Montferrat 1282 no children | 21 December 1290 aged 57-58 | Children of Adolph IV. John and Gerhard ruled jointly on their first years of rule, under regency. They had to wait their abdicated father's death, because only that would explain their late division of the inheritance. After Gerhard's death in 1290 his sons partitioned Holstein-Itzehoe and Schaumburg into three branches. Matilda received property in Schleswig that she left to her brothers after her death. |
| Matilda | | c.1220 Daughter of Adolph IV and Heilwig of Lippe | 1238 – 1288 | County of Holstein (at Stapelholm, Fræzlæt and Swania) | Abel of Denmark 25 April 1237 four children Birger Jarl 1261br/>no children | 1288 Kiel aged 57-58 | Children of Adolph IV. John and Gerhard ruled jointly on their first years of rule, under regency. They had to wait their abdicated father's death, because only that would explain their late division of the inheritance. After Gerhard's death in 1290 his sons partitioned Holstein-Itzehoe and Schaumburg into three branches. Matilda received property in Schleswig that she left to her brothers after her death. |
| Regency of Elisabeth of Saxe-Wittenberg (1263-1267) | Regency of Elisabeth of Saxe-Wittenberg (1263-1267) | Regency of Elisabeth of Saxe-Wittenberg (1263-1267) | Regency of Elisabeth of Saxe-Wittenberg (1263-1267) | Regency of Elisabeth of Saxe-Wittenberg (1263-1267) | Regency of Elisabeth of Saxe-Wittenberg (1263-1267) | Regency of Elisabeth of Saxe-Wittenberg (1263-1267) | Sons of John I, divided officially their inheritance in 1273. After Adolph V's death without descendants, Segeberg went to a son of John I. In 1316, John II was deposed in a coup led by his cousin John III, from Plön. |
| Adolph V the Pomeranian | | 1252 First son of John I and Elisabeth of Saxe-Wittenberg | 20 April 1263 – 11 November 1308 | County of Segeberg | Euphemia of Pomerania-Wolgast 1273 or 1278 one child | 11 November 1308 aged 55-56 | Sons of John I, divided officially their inheritance in 1273. After Adolph V's death without descendants, Segeberg went to a son of John I. In 1316, John II was deposed in a coup led by his cousin John III, from Plön. |
| John II the One-Eyed | | 1253 Second son of John I and Elisabeth of Saxe-Wittenberg | 20 April 1263 – 1316 | County of Kiel | Margareta of Denmark 1276 two children | 1321 aged 67-68 | Sons of John I, divided officially their inheritance in 1273. After Adolph V's death without descendants, Segeberg went to a son of John I. In 1316, John II was deposed in a coup led by his cousin John III, from Plön. |
| Gerhard II the Blind | | 1254 First son of Gerhard I and Elizabeth of Mecklenburg | 21 December 1290 – 28 October 1312 | County of Itzehoe, renamed County of Plön | Ingeborg of Sweden 12 December 1275 four children Agnes of Brandenburg 1293 one child | 28 October 1312 aged 57-58 | Children of Gerhard I, divided the land. Gerhard II received his father's capital at Itzehoe, but changed it to Plön, while Adolph VI received, with his portion at Pinneberg, the original Schauenburg. Henry I, the younger son, received a portion of the inheritance in Rendsburg. |
| Adolph VI the Elder | | 1256 Second son of Gerhard I and Elizabeth of Mecklenburg | 21 December 1290 – 13 May 1315 | County of Pinneberg (with Schauenburg) | Helen of Saxe-Lauenburg 14 February 1294 seven children | 13 May 1315 aged 58-59 | Children of Gerhard I, divided the land. Gerhard II received his father's capital at Itzehoe, but changed it to Plön, while Adolph VI received, with his portion at Pinneberg, the original Schauenburg. Henry I, the younger son, received a portion of the inheritance in Rendsburg. |
| Henry I | | 1258 Third son of Gerhard I and Elizabeth of Mecklenburg | 21 December 1290 – 5 August 1304 | County of Rendsburg | Heilwig of Bronckhorst 1289 four children | 5 August 1304 aged 45-46 | Children of Gerhard I, divided the land. Gerhard II received his father's capital at Itzehoe, but changed it to Plön, while Adolph VI received, with his portion at Pinneberg, the original Schauenburg. Henry I, the younger son, received a portion of the inheritance in Rendsburg. |
| Regency of Heilwig of Bronckhorst (1304-1306) | Regency of Heilwig of Bronckhorst (1304-1306) | Regency of Heilwig of Bronckhorst (1304-1306) | Regency of Heilwig of Bronckhorst (1304-1306) | Regency of Heilwig of Bronckhorst (1304-1306) | Regency of Heilwig of Bronckhorst (1304-1306) | Regency of Heilwig of Bronckhorst (1304-1306) | Profited from the minority of the duke of Schleswig to take over the duchy to himself, but handed it over in 1330. However, his career and profit rose up to the point where he can be called the de facto ruler of Denmark during the Interregnum of 1332-40. |
| Gerhard III the Great | | 1292 Son of Henry I and Heilwig of Bronckhorst | 5 August 1304 – 1 April 1340 | County of Rendsburg (with Schleswig 1326-1330, and major Denmark 1332-1340) | Sophia of Werle 1315 four children | 1 April 1340 Randers aged 47-48 | Profited from the minority of the duke of Schleswig to take over the duchy to himself, but handed it over in 1330. However, his career and profit rose up to the point where he can be called the de facto ruler of Denmark during the Interregnum of 1332-40. |
| Adolph (VII) | | c.1276 Son of John II and Margareta of Denmark | 11 November 1308 – 1315 | County of Segeberg | Luitgard of Mecklenburg 1315 no children | 1315 aged 38-39 | Succeeded his uncle Adolph V at Segeberg. Died assassinated and without heirs. |
| Segeberg re-absorbed in Kiel; in 1316 it was divided between Pinneberg and Rendsburg ||||||||
| Gerhard IV | | 1277 Son of Gerhard II and Ingeborg of Sweden | 28 October 1312 – 1323 | County of Plön (from 1314 only in a small part of the county) | Anastasia of Schwerin 30 July 1313 two children | 1323 aged 45-46 | Sons of Gerhard II, ruled jointly. On 7 June 1314 Gerhard sold most of his inheritance part to his brother, who in 1316 also deposed John II of Kiel. Ruling over two main parts of Holstein, John III also served, alongside Gerhard III, as lord ruling in guardianship the Danish Duchy of Schleswig 1332–1340. |
| John III the Mild | | 1297 Son of Gerhard II and Agnes of Brandenburg | 28 October 1312 – 1316 22 September 1350 – 27 September 1359 | County of Plön | Catherine of Głogów 25 December 1317 or 27 January 1319 three children Miroslawa of Schwerin-Wittenburg 1327 three children | 27 September 1359 aged 61-62 | Sons of Gerhard II, ruled jointly. On 7 June 1314 Gerhard sold most of his inheritance part to his brother, who in 1316 also deposed John II of Kiel. Ruling over two main parts of Holstein, John III also served, alongside Gerhard III, as lord ruling in guardianship the Danish Duchy of Schleswig 1332–1340. |
| John III the Mild | | 1297 Son of Gerhard II and Agnes of Brandenburg | 1316 – 27 September 1359 | County of Kiel | Catherine of Głogów 25 December 1317 or 27 January 1319 three children Miroslawa of Schwerin-Wittenburg 1327 three children | 27 September 1359 aged 61-62 | Sons of Gerhard II, ruled jointly. On 7 June 1314 Gerhard sold most of his inheritance part to his brother, who in 1316 also deposed John II of Kiel. Ruling over two main parts of Holstein, John III also served, alongside Gerhard III, as lord ruling in guardianship the Danish Duchy of Schleswig 1332–1340. |
| Adolph VII | | 1297 Son of Adolph VI and Helen of Saxe-Lauenburg | 13 May 1315 – 9 October 1354 | County of Pinneberg (with Schauenburg) | Hedwig of Schwalenberg by 1301 no children Heilwig of Lippe 1322 eight children | 9 October 1354 aged 56-57 | |
| Regency of Anastasia of Schwerin (1323-1329) | Regency of Anastasia of Schwerin (1323-1329) | Regency of Anastasia of Schwerin (1323-1329) | Regency of Anastasia of Schwerin (1323-1329) | Regency of Anastasia of Schwerin (1323-1329) | Regency of Anastasia of Schwerin (1323-1329) | Regency of Anastasia of Schwerin (1323-1329) | Ruler of only a small part of Plön, after the sell his father made to his uncle. After his death, the aforementioned uncle reunites effectively the entirety of both Plön and Kiel. |
| Gerhard V | | 1315 Son of Gerhard IV and Anastasia of Schwerin | 1323 – 22 September 1350 | County of Plön | Unmarried | 22 September 1350 aged 34-35 | Ruler of only a small part of Plön, after the sell his father made to his uncle. After his death, the aforementioned uncle reunites effectively the entirety of both Plön and Kiel. |
| Plön definitively annexed to Kiel ||||||||
| Henry II of Iron | | 1317 First son of Gerhard III and Sophia of Werle | 1 April 1340 – 1384 | County of Rendsburg (with Schleswig 1375-1386) | Matilda of Lippe one child Ingeborg of Mecklenburg-Schwerin before 1374 four children | 1384 aged 66-67 | Nicholas and Henry ruled jointly as sons of Gerhard III. In 1375 they inherited the Duchy of Schleswig from the House of Estridsen. In 1384, with the death of his brother, Nicholas associated his nephews (Gerhard and Albert, sons of Henry) to power. In 1386 he abdicated of Schleswig to his older nephew Gerhard, who assumed alone this lands. In 1390 Nicholas inherited Holstein-Kiel. After Nicholas' death in 1397, the co-ruling nephews, Gerhard and Albert, divided the land. |
| Nicholas I | | 1321 Second son of Gerhard III and Sophia of Werle | 1 April 1340 – 8 May 1397 | County of Rendsburg (with Schleswig 1375-1386) | Elisabeth of Brunswick-Lüneburg 1354 one child | 8 May 1397 aged 75-76 | Nicholas and Henry ruled jointly as sons of Gerhard III. In 1375 they inherited the Duchy of Schleswig from the House of Estridsen. In 1384, with the death of his brother, Nicholas associated his nephews (Gerhard and Albert, sons of Henry) to power. In 1386 he abdicated of Schleswig to his older nephew Gerhard, who assumed alone this lands. In 1390 Nicholas inherited Holstein-Kiel. After Nicholas' death in 1397, the co-ruling nephews, Gerhard and Albert, divided the land. |
| Adolph VIII the Younger | | c.1325 First son of Adolph VII and Heilwig of Lippe | 9 October 1354 – 13 October 1370 | County of Pinneberg (with Schauenburg) | Unmarried | 13 October 1370 Famagusta aged 44-45 | |
| Adolph IX the Mild | | 1327 Son of John III and Catherine of Głogów | 27 September 1359 – 26 January 1390 | County of Kiel | Anne of Mecklenburg-Schwerin 4 December 1362 or 21 September 1365 no children | 26 January 1390 aged 62-63 | After his death in 1390 without descendants, Kiel and its patrimony was divided between Holstein-Pinneberg and Holstein-Rendsburg. |
| Otto I | | c.1330 Fourth son of Adolph VII and Heilwig of Lippe | 13 October 1370 – 1404 | County of Pinneberg (with Schauenburg) | Matilda of Brunswick-Lüneburg 25 June 1368 ten children | 1404 | |
| Gerhard VI | | 1367 First son of Henry II and Ingeborg of Mecklenburg-Schwerin | 8 May 1397 – 5 August 1404 | County of Rendsburg (in Schleswig since 1386) | Catherine Elisabeth of Brunswick-Lüneburg 1390 six children | 5 August 1404 Dithmarschen aged 36-37 | Co-rulers in Rendsburg with their uncle Nicholas since 1384. After the abdication of Nicholas in Schleswig, Gerhard took over the duchy, and assumed Rendsburg only after the former's death. Gerhard's brother Albert revived in 1397 the duchy of Segeberg, making official the new division, but after his death in 1403, Segeberg merged again in Rendsburg, still in hands of Gerhard, who died in the following year. The brothers also co-ruled with their cousin, Elisabeth, who had received property in Rendsburg. |
| Albert II | | 1369 Second son of Henry II and Ingeborg of Mecklenburg-Schwerin | 8 May 1397 – 28 September 1403 | County of Segeberg | Agnes of Saxe-Lauenburg before 23 March 1399 no children | 28 September 1403 Dithmarschen aged 33-34 | Co-rulers in Rendsburg with their uncle Nicholas since 1384. After the abdication of Nicholas in Schleswig, Gerhard took over the duchy, and assumed Rendsburg only after the former's death. Gerhard's brother Albert revived in 1397 the duchy of Segeberg, making official the new division, but after his death in 1403, Segeberg merged again in Rendsburg, still in hands of Gerhard, who died in the following year. The brothers also co-ruled with their cousin, Elisabeth, who had received property in Rendsburg. |
| Elisabeth | | 1360 Daughter of Nicholas I and Elisabeth of Brunswick-Lüneburg | 8 May 1397 – 25 January 1416 | County of Rendsburg (at Åbenrå, Sønder-Rangstrup Herred and Rise Herred) | Albert IV, Duke of Mecklenburg 1373 no children Eric V, Duke of Saxe-Lauenburg 1404 no children | 25 January 1416 Cammin aged 55-56 | Co-rulers in Rendsburg with their uncle Nicholas since 1384. After the abdication of Nicholas in Schleswig, Gerhard took over the duchy, and assumed Rendsburg only after the former's death. Gerhard's brother Albert revived in 1397 the duchy of Segeberg, making official the new division, but after his death in 1403, Segeberg merged again in Rendsburg, still in hands of Gerhard, who died in the following year. The brothers also co-ruled with their cousin, Elisabeth, who had received property in Rendsburg. |
| Henry III | | c.1372 Third son of Henry II and Ingeborg of Mecklenburg-Schwerin | 1404 – February 1421 | County of Rendsburg | Unmarried | February 1421 aged 48-49 | Also Prince-Bishop of Osnabrück as Henry I (1402–1410), and regent in Schleswig. |
| Adolph X | | 1375 Son of Otto I and Matilda of Brunswick-Lüneburg | 1404 – 9 October 1426 | County of Pinneberg (with Schauenburg) | Helen of Hoya 1378 three children | 9 October 1426 aged 50-51 | |
| Regency of Catherine Elisabeth of Brunswick-Lüneburg and Henry III, Count of Holstein-Rendsburg and Prince-Bishop of Osnabrück (1404–1413), in Schleswig only | Regency of Catherine Elisabeth of Brunswick-Lüneburg and Henry III, Count of Holstein-Rendsburg and Prince-Bishop of Osnabrück (1404–1413), in Schleswig only | Regency of Catherine Elisabeth of Brunswick-Lüneburg and Henry III, Count of Holstein-Rendsburg and Prince-Bishop of Osnabrück (1404–1413), in Schleswig only | Regency of Catherine Elisabeth of Brunswick-Lüneburg and Henry III, Count of Holstein-Rendsburg and Prince-Bishop of Osnabrück (1404–1413), in Schleswig only | Regency of Catherine Elisabeth of Brunswick-Lüneburg and Henry III, Count of Holstein-Rendsburg and Prince-Bishop of Osnabrück (1404–1413), in Schleswig only | Regency of Catherine Elisabeth of Brunswick-Lüneburg and Henry III, Count of Holstein-Rendsburg and Prince-Bishop of Osnabrück (1404–1413), in Schleswig only | Regency of Catherine Elisabeth of Brunswick-Lüneburg and Henry III, Count of Holstein-Rendsburg and Prince-Bishop of Osnabrück (1404–1413), in Schleswig only | Died without descendants. Passed the land to his brothers. |
| Henry IV | | 1397 First son of Gerhard VI and Catherine Elisabeth of Brunswick-Lüneburg | February 1421 – 28 May 1427 | County of Rendsburg (in Schleswig since 1404) | Unmarried | 28 May 1427 Flensburg aged 29-30 | Died without descendants. Passed the land to his brothers. |
| Otto II | | 1400 Son of Adolph X and Helen of Hoya | 9 October 1426 – 2 June 1464 | County of Pinneberg (with Schauenburg) | Elisabeth of Hohenstein 1418 ten children | 2 June 1464 aged 63-64 | |
| Adolph XI | | 1401 Second son of Gerhard VI and Catherine Elisabeth of Brunswick-Lüneburg | 28 May 1427 – 4 December 1459 | County of Rendsburg (with Schlewig) | Matilda before 1433 no children Margareta of Mansfeld 1433 no children | 4 December 1459 Bad Segeberg aged 57-58 | Sons of Gerhard VI, ruled jointly in Holstein-Rendsburg. As Gerhard also wanted to rule in Schleswig he claimed (unsuccessfully) this duchy for himself against his brother. Adolph was the mightiest vassal of Danish crown at his time, gaining royal Danish recognition in 1440. After Adolph's death his patrimony is annexed by Denmark. |
| Gerhard VII | | 1404 Third son of Gerhard VI and Catherine Elisabeth of Brunswick-Lüneburg | 28 May 1427 – 24 July 1433 | County of Rendsburg (with Schlewig) | Agnes of Baden 2 June 1432 Baden ten children | 24 July 1433 Emmerich am Rhein aged 28-29 | Sons of Gerhard VI, ruled jointly in Holstein-Rendsburg. As Gerhard also wanted to rule in Schleswig he claimed (unsuccessfully) this duchy for himself against his brother. Adolph was the mightiest vassal of Danish crown at his time, gaining royal Danish recognition in 1440. After Adolph's death his patrimony is annexed by Denmark. |
| Rendsburg and Schleswig were annexed to Denmark; with the Rendsburg patrimony the Danish formed the Duchy of Holstein ||||||||
| Adolph XII | | 1419 First son of Otto II and Elisabeth of Hohenstein | 2 June 1464 – 9 October 1474 | County of Pinneberg (with Schauenburg) | Irmgard of Hoya 1459 no children | 9 October 1474 aged 54-55 | Children of Otto II, succeeded each other, and leaving no descendants. John IV, the eighth son, was the one who left a successor. |
| Eric I | | 1420 Second son of Otto II and Elisabeth of Hohenstein | 9 October 1474 – 25 March 1492 | County of Pinneberg (with Schauenburg) | Heba of East Frisia 1476 no children | 25 March 1492 aged 71-72 | Children of Otto II, succeeded each other, and leaving no descendants. John IV, the eighth son, was the one who left a successor. |
| Otto III | | 1426 Fifth son of Otto II and Elisabeth of Hohenstein | 25 March 1492 – 1510 | County of Pinneberg (with Schauenburg) | Unmarried | 1510 aged 83-84 | Children of Otto II, succeeded each other, and leaving no descendants. John IV, the eighth son, was the one who left a successor. |
| Anton I | | 1439 Sixth son of Otto II and Elisabeth of Hohenstein | 1510 – 22 December 1526 | County of Pinneberg (with Schauenburg) | Sophia of Saxe-Lauenburg 29 November 1492 no children Anna of Schönburg before 25 September 1497 no children | 22 December 1526 aged 86-87 | Children of Otto II, succeeded each other, and leaving no descendants. John IV, the eighth son, was the one who left a successor. |
| John IV | | 1449 Eighth son of Otto II and Elisabeth of Hohenstein | 22 December 1526 – 30 March 1527 | County of Pinneberg (with Schauenburg) | Cordula of Gehmen 1482 one child | 30 March 1527 aged 77-78 | Children of Otto II, succeeded each other, and leaving no descendants. John IV, the eighth son, was the one who left a successor. |
| Jobst I | | 1483 Son of John IV and Cordula of Gehmen | 30 March 1527 – 5 June 1531 | County of Pinneberg (with Schauenburg) | Maria of Nassau-Siegen 1506 eight children | 5 June 1531 aged 47-48 | |
| Adolph XIII | | 19 January 1511 Second son of Jobst and Maria of Nassau-Siegen | 5 June 1531 – 1544 | County of Pinneberg (with Schauenburg) | Unmarried | 20 September 1556 Brühl aged 45 | Children of Jobst, divided their inheritance. The elder brothers ruled jointly in Pinneberg; Jobst II inherited Gemen alone. Adolphus abdicated in 1544, and became Archbishop of Cologne as Adolph III (1547–1556). In 1559 the Reformation officially began in Schauenburg and Holstein-Pinneberg. |
| John V | | 1512 Fourth son of Jobst and Maria of Nassau-Siegen | 5 June 1531 – 10 January 1560 | County of Pinneberg (with Schauenburg) | Elisabeth of East Frisia 1558 no children | 10 January 1560 Bückeburg aged 47-48 | Children of Jobst, divided their inheritance. The elder brothers ruled jointly in Pinneberg; Jobst II inherited Gemen alone. Adolphus abdicated in 1544, and became Archbishop of Cologne as Adolph III (1547–1556). In 1559 the Reformation officially began in Schauenburg and Holstein-Pinneberg. |
| Otto IV | | 1517 Fifth son of Jobst I and Maria of Nassau-Siegen | 5 June 1531 – 21 December 1576 | County of Pinneberg (with Schauenburg) | Maria of Pomerania-Stettin before 1545 four children Elisabeth Ursula of Brunswick-Lüneburg 1558 three children | 21 December 1576 Bückeburg aged 58-59 | Children of Jobst, divided their inheritance. The elder brothers ruled jointly in Pinneberg; Jobst II inherited Gemen alone. Adolphus abdicated in 1544, and became Archbishop of Cologne as Adolph III (1547–1556). In 1559 the Reformation officially began in Schauenburg and Holstein-Pinneberg. |
| Jobst II | | 1520 Seventh son of Jobst I and Maria of Nassau-Siegen | 5 June 1531 – 29 May 1581 | County of Gemen | Elisabeth of Pallant 1558 three children | 29 May 1581 aged 60-61 | Children of Jobst, divided their inheritance. The elder brothers ruled jointly in Pinneberg; Jobst II inherited Gemen alone. Adolphus abdicated in 1544, and became Archbishop of Cologne as Adolph III (1547–1556). In 1559 the Reformation officially began in Schauenburg and Holstein-Pinneberg. |
| Adolph XIV | | 27 February 1547 Son of Otto IV and Maria of Pomerania-Stettin | 21 December 1576 – 2 July 1601 | County of Pinneberg (with Schauenburg) | Elisabeth of Brunswick-Wolfenbüttel 6 May 1583 Wolfenbüttel one child | 2 July 1601 Minden aged 54 | |
| Henry V | | 21 February 1566 Son of Jobst II and Elisabeth of Pallant | 29 May 1581 – 15 October 1597 | County of Gemen | Matilda of Limburg-Styrum 4 August 1592 Styrum one child | 15 October 1597 aged 61 | |
| Ernest | | 24 September 1569 Bückeburg Son of Otto IV and Elisabeth Ursula of Brunswick-Lüneburg | 2 July 1601 – 17 January 1622 | County of Pinneberg (with Schauenburg) | Hedwig of Hesse-Kassel 11 September 1597 Schmalkalden ten children | 17 January 1622 Bückeburg aged 52 | He was elevated to "Prince of Schaumburg" in 1619. |
| Jobst Herman | | 6 October 1593 Borken Son of Henry V and Matilda of Limburg-Styrum | 15 October 1597 – 17 January 1622 | County of Gemen | Catherine Sophia of Brunswick-Harburg (1577-1665) no children | 5 November 1635 Bückeburg aged 42 | Inherited the main County of Pinneberg after his cousin Ernest died without descendants. He too died childless. |
| Jobst Herman | | 6 October 1593 Borken Son of Henry V and Matilda of Limburg-Styrum | 17 January 1622 – 5 November 1635 | County of Pinneberg (with Schauenburg) | Catherine Sophia of Brunswick-Harburg (1577-1665) no children | 5 November 1635 Bückeburg aged 42 | Inherited the main County of Pinneberg after his cousin Ernest died without descendants. He too died childless. |
| Gemen annexed to Pinneberg ||||||||
| Otto V | | 1 March 1614 Borken Son of George Herman of Holstein-Gemen and Elisabeth of Lippe | 5 November 1635 – 15 November 1640 | County of Pinneberg (with Schauenburg) | Unmarried | 15 November 1640 Bückeburg aged 26 | Nephew of Henry V and cousin of Jobst Herman. Died unmarried. |
| Pinneberg annexed to the Duchy of Holstein ||||||||