Euphemia of Greater Poland Polish princess (1230-?) (1230–1201) Parents Jadwiga Władysław Odonic Children Przemysław of Racibórz Bolko I of Opole Casimir of Bytom Mieszko I, Duke of Cieszyn Constance, Duchess of Wodzisław Siblings Bolesław the Pious Salome of Greater Poland Przemysł I of Greater Poland Partners Vladislaus I of Opole