Title: Mieszko III the Old
Content:  Mieszko III the Old (c. 1126/27 – 13 March 1202), of the Piast dynasty, was Duke of Greater Poland from 1138 and High Duke of Poland, with interruptions, from 1173 until his death. He was the fourth and second surviving son of Duke Bolesław III Wrymouth of Poland, by his second wife Salomea, daughter of the German count Henry of Berg-Schelklingen.
Title: Mieszko III the Old
Content:  After his brother Bolesław IV died on 3 April 1173, Mieszko III became the new high duke of Poland (dux Totius Poloniae) according to the principle of agnatic seniority. His policy focused on maintaining full power for himself, as the oldest surviving member of the dynasty. Despite his succession to the throne at Kraków, the new high duke remained in Greater Poland, while Lesser Poland was ruled by Henryk Kietlicz as a governor appointed by Mieszko. Harsh tax measures were introduced, which incurred the displeasure of the Lesser Polish magnates. On the other hand, Mieszko had several foreign policy successes through his daughter's marriages: Elisabeth married Duke Soběslav II of Bohemia circa 1173, and through the dynastic arrangement 
Title: Mieszko the Younger
Content:  Mieszko the Younger (also known as of Kalisz) (Mieszko Młodszy (kaliski)) (between 1160 and 1165 – 2 August 1193) was a Duke of Kalisz from 1191 until his death. He was the second child (but fourth-born son) of Mieszko III the Old, Duke of Greater Poland and from 1173 High Duke of Poland, due to his marriage to his second wife Eudoxia, daughter of Grand Prince Iziaslav II of Kiev.
Title: Mieszko I
Content:  Great, king of Denmark, England, Norway and parts of Sweden (the Anglo-Scandinavian or North Sea Empire), as well as Harald II and Świętosława. She was also the grandmother of Gunhild, the wife of Henry III, Holy Roman Emperor. 1) Mieszko (b. ca. 979 – d. aft. 992/95) ; 2) Świętopełk (b. ca. 980 – d. bef. 991?) ; 3) Lambert (b. ca. 981 – d. aft. 992/95). According to Gallus Anonymus, before becoming a Christian Mieszko had seven pagan wives, whom he was required to relinquish, leaving Dobrawa as his only spouse. Nothing is known of the fates of any possible children 
Title: Mieszko III the Old
Content: 1) Odon (b. ca. 1149 – d. 20 April 1194). ; 2) Stephen (b. ca. 1150 – d. 18 October 1166/77?). ; 3) Elisabeth (b. 1152 – d. 2 April 1209), married firstly ca. 1173 to Duke Soběslav II of Bohemia and secondly aft. January 1180 to Conrad II of Landsberg, Margrave of Lusatia. ; 4) Wierzchoslawa Ludmilla (b. bef. 1153 – d. bef. 1223), married ca. 1167 to Frederick of Bitsch, later duke of Lorraine. ; 5) Judith (b. bef. 1154 – d. af. 12 December 1201), married ca. 1173 to Bernhard of Anhalt, later duke of Saxony. 1) Bolesław (b. 1159 – killed in the Battle of Mozgawą, 13 September 1195). ; 2) Mieszko the Younger (b. 
Title: Casimir II the Just
Content:  the Polish kingship. However, in the first half of 1181 (and less than a year after the Łęczyca assembly), Mieszko III the Old, with the assistance of Duke Sambor's brother Mestwin I of Pomerelia, conquered the eastern Greater Polish lands of Gniezno and Kalisz and managed to persuade his son Odon to submit (according to some historians, Odon then received from his father the Greater Polish lands south of the Obra River). At the same time, Duke Leszek of Masovia decided to leave the influence of Casimir. He named Mieszko III the Old's son Mieszko the Younger as governor of Masovia and Kuyavia, and with this, made a tacit promise regarding the succession of these lands.
Title: Mieszko III the Old
Content:  excommunicated by Archbishop Jacob of Gniezno for his behavior against Piotr Włostowic. He also faced rebellion by his own subjects, who were against his tyrannical rule. The defeat of Władysław was total; by May 1146 all Poland was in the hands of the junior dukes. The former high duke and his family were forced to escape to save their lives, first to Bohemia and later to the Kaiserpfalz of Altenburg in Germany, under the protection of King Conrad III. Once they had consolidated their rule over Poland, Bolesław IV and Mieszko III made new decisions. Bolesław, as the elder brother, succeeded Władysław as high duke and ruler over Silesia. Mieszko, on the other 
Title: Mieszko III the Old
Content:  [[File:TestamentKrzywoustego.png|thumb|left|Poland under the sons of Bolesław Wrymouth: ]]According to the 1138 Testament of Bolesław III, Mieszko received the newly established Duchy of Greater Poland, comprising the western part of the short-lived Greater Poland. He had previously been duke of Poznań where he had his main residence. His older half-brother, Władysław II, the eldest son of the late duke with his first wife Zbyslava of Kiev, was proclaimed high duke and overlord of the Seniorate Province at Kraków, including the Greater Polish lands of Gniezno and Kalisz, as well as duke of Silesia.
Title: Mieszko the Younger
Content:  We do not know when he was born. His older brother, Bolesław, was born in 1159, while his younger brother Władysław Laskonogi was alive in 1166 or 1167. Mieszko is documented earliest in 1166 or 1167, in a document signed between Mieszko III and Casimir II the Just at the congress in Jędrzejów, as one of the sons of the Duke of Greater Poland. Between 1177 and 1179, as a result of the revolt against his father, Mieszko, with his parents and siblings, was exiled from Poland. They probably returned to the country in 1181, when Mieszko III regained the rule over Greater Poland. In 
Title: Mieszko III the Old
Content:  1160/65 – d. 2 August 1193). ; 3) Władysław III Spindleshanks (b. ca. 1161/67 – d. 3 November 1231). ; 4) Salomea (b. ca. 1162/64 – d. 11 May ca. 1183), married bef. 1177 to Prince Ratibor (II) of Pomerania. ; 5) Anastasia (b. ca. 1164 – d. aft. 31 May 1240), married on 26 April 1177 to Duke Bogislaw I of Pomerania. Around 1136, Mieszko married firstly with Elisabeth (b. ca. 1128 – d. ca. 1154), daughter of King Béla II of Hungary. They had five children: By 1154, Mieszko married secondly with Eudoxia of Kiev (b. ca. 1131 – d. aft. 1187), possibly a daughter of Grand Prince Iziaslav II of Kiev. They had five children:

Question: Who is the mother of Mieszko III the Old?
Answer: Salomea of Berg.
Salomea.