Władysław Odonic
Władysław (also named Włodzisław) Odonic (nicknamed Plwacz) (Polish: Władysław (Włodzisław) Odonic (Plwacz)) (c. 1190 – 5 June 1239) was a Duke of Kalisz during 1207–1217, Duke of Poznań dur...
Władysław Odonic - Wikipedia