Kunigunde of Brandenburg, Duchess of Slavonia (1250-1295) (1245–1292) Parents Beatrice of Bohemia Otto III, Margrave of Brandenburg Children Siblings John III, Margrave of Brandenburg-Salzwedel Matilda of Brandenburg Otto VI, Margrave of Brandenburg-Salzwedel Otto V, Margrave of Brandenburg-Salzwedel Albert III, Margrave of Brandenburg-Salzwedel Partners Arnold z Julémontu a z Mulrepas Waleran IV, Duke of Limburg Béla, Duke of Slavonia