He was born to Ladislaus Odonic Plwacz, duke of Greater Poland, and Jadwiga of Pomerania, daughter of Mestwin II, duke of Eastern Pomerania.
Born: after 1221
Realm of power:
1239-1247 Duke of Greater Poland, together with his brother Przemysl I
1247-1249 Duke of Kalisz
1249-1250 Duke of Gniezno
1250-1253 deprived of power
1253-1257 Duke of Kalisz and Gniezno
1257-1277 Duke of Greater Poland
1277-1279 Duke of Kalisz and Gniezno
Died 13 April 1279
Maried to: (1257) Jolenta-Helen of Hungary, daughter of Bela IV, king of Hungary;
Childeren: no son, only daughters
See also: