Margaret of Brandenburg
Margaret of Brandenburg- Salzwedel( born ca. 1270 – died 1 May 1315) was a German noblewoman member of the House of Ascania and by her two marriages Duchess of Greater Poland( during 1293 – 1296), Queen of Poland( during 1295 – 1296) and Duchess of Saxe- Lauenburg( during 1302 – 1308).
She was the youngest child and second daughter of Albert III, Margrave of Brandenburg- Salzwedel and Matilda of Denmark, daughter of King Christopher I.
Frederick III, Margrave of Brandenburg-Ansbach
Frederick III, Margrave of Brandenburg- Ansbach( 1 May 1616, Ansbach – 6 September 1634, Nördlingen) was a German nobleman.
He was the eldest son of Joachim Ernst, Margrave of Brandenburg- Ansbach, who he succeeded in 1625.
He was killed at the Battle of Nördlingen in 1634 unmarried and without issue, meaning he was succeeded by his younger brother Albert II.
Albert III, Margrave of Brandenburg-Salzwedel
Albert III, Margrave of Brandenburg-Salzwedel (– between 19 November and 4 December 1300) was a Margrave of Brandenburg.
He was a member of the Brandenburg-Salzwedel branch of the House of Ascania, which existed from 1266 to 1317.
He was a son of Otto III and his wife, Beatrice (or) of Bohemia.
As a son of Otto, he was entitled to use the title of Margrave and he did sign some official documents,
be he was never more than a co-ruler.
The real power was wielded by his cousin Otto IV "with the arrow".
Albert III administered the Lordship of Stargard, which Brandenburg had acquired from Pomerania in 1236.
Albert III was from 1284 the sole ruler of Stargard and Lychen.
After his sons Otto and John died (around 1299), Albert III sold Stargard to his son-in-law Henry II of Mecklenburg.
The 1304 Treaty of Vietmannsdorf confirmed Henry II as Lord a Stargard and enshrined that it was held as a fief from Brandenburg.
In 1299, a year before his death, he founded the Cistercian monastery ("Gate to Heaven") in Lychen.
Albert III died on 3 December 1300 and was initially buried at Lehnin Abbey.
In 1309, his body was transferred to the "Coeli Porta" monastery.
It was subsequently lost.
Wilhelm von Brandenburg
Wilhelm von Brandenburg( 30 June 1498 – 4 February 1563) was the Archbishop of Riga from 1539 to 1561.
A member of the House of Hohenzollern, Wilhelm was the son of Frederick I, Margrave of Brandenburg- Ansbach, the brother of Albert, Duke of Prussia, and the grandson of Albert III Achilles, Elector of Brandenburg and Casimir IV Jagiellon.
After William's administration as Prince- bishop ended during the Livonian War, Riga became a Free City( 1561 – 1581).
Waldemar, Margrave of Brandenburg-Stendal
Waldemar the Great( – 14 August 1319), a member of the House of Ascania, was Margrave of Brandenburg- Stendal from 1308 until his death.
He became sole ruler of the Margraviate of Brandenburg upon the death of his cousin John V of Brandenburg- Salzwedel in 1317.
Waldemar is known as the last in the line of Ascanian margraves starting with Albert the Bear in 1157; he was only succeeded by his minor cousin Henry II, who died one year later.
Otto III, Margrave of Brandenburg
Otto III, nicknamed "the pious" (1215 – 9 October 1267 in Brandenburg an der Havel) was Margrave of Brandenburg jointly with his elder brother John I until John died in 1266.
Otto III then ruled alone, until his death, the following year.
The reign of these two Ascanian Margraves was characterized by an expansion of the Margraviate, which annexed the remaining parts of Teltow and Barnim, the Uckermark, the Lordship of Stargard, the Lubusz Land and parts of the Neumark east of the Oder.
They consolidated the position of Brandenburg within the Holy Roman Empire, which was reflected in the fact that in 1256, Otto III was a candidate to be elected King of the Germans.
They founded several cities and developed the twin cities of Cölln and Berlin.
They expanded the Ascanian castle in nearby Spandau and made it their preferred residence.
Before their death, they divided the Margraviate in a "Johannine" and an "Ottonian" part.
The Ascanians were traditionally buried in the Lehnin Abbey in the Ottonian part of the country.
In 1258, they founded a Cistercian monastery named "Mariensee", where members of the Johannine line could be buried.
In 1266, they changed their mind and founded a second monastery, named "Chorin", 8 km southwest of Mariensee.
John was initially buried at Mariensee; his body was moved to Chorin in 1273.
After the Ottonian line died out in 1317, John I's grandson Waldemar reunited the Margraviate.
George Frederick Charles, Margrave of Brandenburg-Bayreuth
George Frederick Charles, Margrave of Brandenburg- Bayreuth( 19 June 1688 at Oberzulzbürg Castle, near Mühlhausen – 17 May 1735 in Bayreuth), was a German prince, member of the House of Hohenzollern, nominal Margrave of Brandenburg- Bayreuth- Kulmbach( 1708 – 35) and Margrave of Brandenburg- Bayreuth( 1726–35).
John III, Margrave of Brandenburg-Salzwedel
John III, Margrave of Brandenburg- Salzwedel, nicknamed" John from Prague"( 1244 in Prague – 1268) was the eldest son of Margrave Otto III and his wife, Beatrice of Bohemia.
After his father died in 1267, he ruled the Margraviate of Brandenburg jointly with his brother Otto V and his cousins Otto IV and Henry I. John died during a tournament in 1268.
He was unmarried and childless.
Frederick, Margrave of Brandenburg-Bayreuth
Frederick, Margrave of Brandenburg- Bayreuth( May 10, 1711 in Weferlingen – February 26, 1763 in Bayreuth), was a member of the House of Hohenzollern and Margrave of Brandenburg- Bayreuth.
He was the eldest son of Georg Frederick Karl, nominal Margrave of Brandenburg- Bayreuth- Kulmbach, by his wife Dorothea of Schleswig- Holstein- Sonderburg- Beck.
Albert II, Margrave of Brandenburg
Albert II, Margrave of Brandenburg( – 25 February 1220) was a member of the House of Ascania.
He was Margrave of Brandenburg from 1205 until his death in 1220.

Question: When did Albert Iii, Margrave Of Brandenburg-Salzwedel's father die?
Answer: 9 October 1267