¿Quién se casó con Władysław of Oświęcim?

Władysław of Oświęcim (Polish: Władysław oświęcimski; 1275/80 – by 15 May 1324), was a Duke of Oświęcim from 1315 until his death.

He was the eldest son of Mieszko I, Duke of Cieszyn by his wife, probably called Grzymisława.

Euphrosyne of Masovia also known as Eufrozja (1292–1328/1329) was Duchess of Oświęcim by her marriage. She served in the regency of her son John, in the duchy of Oświęcim.