Boniface I, Marquess of Montferrat King of Thessalonica (1150–1207) Parents Judith of Babenberg William V, Marquess of Montferrat Children William VI, Marquess of Montferrat Demetrius of Montferrat Agnes of Montferrat Siblings Renier of Montferrat Conrad of Montferrat William of Montferrat Beatrice del Monferrato Azalaïs of Montferrat Partners Elena di Bosco Eleonora di Savoia Margaret of Hungary Jeanne of Antioch
