Alexandra of Teschen Princess of Teschen, Countess Palatine of Hungary (1450–1463) Parents Euphemia of Masovia Bolesław I, Duke of Cieszyn Children Borbála Garay Siblings Bolesław II, Duke of Cieszyn Władysław of Głogów Przemysław II, Duke of Cieszyn Wenceslaus I, Duke of Cieszyn Partners Ladislaus II Garai