Bolesław of Kuyavia
Member of the Piast dynasty ‧ Mieszko III of Poland's son
Bolesław of Kuyavia was a Duke of Kuyavia from 1186 until his death.
He was the eldest child of Mieszko III the Old, Duke of Greater Poland and High Duke of Poland in 1173, by his second wife Eudoxia, daughter of Grand Prince Iziaslav II of Kiev. Wikipedia
Born: 1159
Died: September 13, 1195 (age 36 years), Mozgawa, Poland
Children: Audacja Małgorzata
Grandchild: Mechtild von Schwerin
Partner: Dobrosława of Pomerania
Parents: Mieszko III of Poland and Eudoxia of Kiev