William V, Marquess of Montferrat Italian noble (1100–1191) Parents Gisela of Burgundy Rainier, Marquess of Montferrat Children Renier of Montferrat Boniface I, Marquess of Montferrat Beatrice del Monferrato William of Montferrat Azalaïs of Montferrat Conrad of Montferrat Siblings Amadeus III, Count of Savoy Adelaide of Maurienne Agnes di Savoia Johanna van Monferrat Partners Judith of Babenberg