Stephen the Posthumous Hungarian prince, duke of Slavonia (*1236-†1271) (1236–1271) Parents Beatrice d'Este, Queen of Hungary Andrew II of Hungary Children Andrew III of Hungary Siblings Violant of Hungary Elizabeth of Hungary Anna Maria of Hungary Coloman of Galicia-Lodomeria Béla IV of Hungary Andrew of Hungary Partners Erzsébet Traversari Tomasina Morosini