Władysław of Głogów Duke of Cieszyn and Duke of Głogów (1420–1460) Parents Bolesław I, Duke of Cieszyn Euphemia of Masovia Children Siblings Bolesław II, Duke of Cieszyn Wenceslaus I, Duke of Cieszyn Alexandra of Teschen Przemysław II, Duke of Cieszyn Partners Margareta of Celje