Mieszko III the Old [SEP] noble family
Mieszko III the Old
Mieszko III the Old () (c. 1126/27 – 13 March 1202), of the royal 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.
Early life.
According to the 1138 Testament of Bolesław III, Mieszko received the newly
the Prussians. He kept his word and did not assist the Prussians during their Great Uprising (1260–1274).
After governing since 1220 for 46 years, Swietopelk died in 1266, with his sons Mestwin II and Wratislaw II inheriting his lands.
Family.
Family Marriages.
- 1217/1218 Eufrozyna († 1230), daughter of Odon, duke of Greater Poland (she was his sister´s sister in law and half-cousin through Mieszko III the Old )
- before 1252 (?) Ermengarda (Ermengardis, †