William of Montferrat the Count of Jaffa and Ascalon, the eldest son of William V, Marquess of Montferrat and Judith of Babenberg (1140–1177) Parents Judith of Babenberg William V, Marquess of Montferrat Children Baldwin V of Jerusalem Siblings Renier of Montferrat Conrad of Montferrat Azalaïs of Montferrat Boniface I, Marquess of Montferrat Beatrice del Monferrato Partners Sibylla