Robert, Prince of Taranto son of Prince Philip I of Taranto and Empress Catherine II of Valois (1318–1364) Parents Catherine of Valois Philip I, Prince of Taranto Children Siblings Joan of Anjou, Queen of Armenia Philip II, Prince of Taranto Philip of Anjou, Despot of Rhomania Peter of Taranto Louis, Prince of Taranto Margaret of Taranto Blanche of Taranto Charles of Taranto Margaret of Taranto Partners Marie de Bourbon, Princess of Achaea