Margaret of Brabant daughter of John I, Duke of Brabant and Margaret of Flanders (1276–1311) Parents Margaret of Flanders, Duchess of Brabant John the Victorious Children John of Bohemia Marie of Luxembourg Beatrice of Luxembourg Siblings Marie of Brabant Marguerite de Tervueren Jean Meeuwe John II Jan van Mechelen, Bastaard van Brabant Gilles van der Balcht Jean Pylyser Jean van der Plasch Partners Henry VII, Holy Roman Emperor