Tags: Noble.
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 during 1216–1217 in 1223 ruler over Ujście from 1225 ruler over Nakło Duke of all Greater Poland during 1229–1234 and since 1234 until his death ruler over only the north and east of the Warta river (some historians believed that shortly before his death he lost Ujście and Nakło).He was the eldest son of Odon Duke of Kalisz by his wife Viacheslava daughter of Yaroslav Vladimirovich Osmomysl Prince of Halych.