Elizabeth of Hungary, Duchess of Bavaria Duchess of Bavaria (1236–1271) Parents Maria Laskarina Béla IV of Hungary Children Catherine von Bayern Louis III, Duke of Bavaria Otto V or III, Duke of Bavaria Agnes of Bavaria Elisabeth von Bayern Sophie of Bavaria Agnes of Bavaria Stephen I, Duke of Bavaria Siblings Béla, Duke of Slavonia Margaret of Hungary Stephen V of Hungary Constance of Hungary, Queen of Galicia Yolanda of Poland Anna of Hungary Kinga of Poland Partners Henry XIII or I Duke of Bavaria