John of Gravina younger son of Charles II of Naples and Maria of Hungary (1294–1336) Parents Mary of Hungary Charles II of Naples Children Robert of Durazzo Louis of Durazzo, Count of Gravina Stephen of Durazzo Charles, Duke of Durazzo Siblings Maria of Anjou Charles Martel of Anjou Robert, King of Naples Eleanor of Anjou, Queen of Sicily Margaret, Countess of Anjou Peter Tempesta Raymond Berengar of Andria Louis of Toulouse Blanche of Anjou Philip I, Prince of Taranto Béatrice d'Anjou Giovanni di Napoli Tristano di Napoli Partners Matilda of Hainaut Agnes of Périgord
