Beatrice of Bourbon, Queen of Bohemia Bohemian queen (1320–1383) Parents Mary of Avesnes Louis I, Duke of Bourbon Margaret of Bourbon Children Wenceslaus I, Duke of Luxembourg Siblings James I Marie de Bourbon, Princess of Achaea Margaret of Bourbon Peter I Jeanne de Bourbon Partners Eudes VI de Grancey, Sire de Grancey et de Pierrepont John of Bohemia