John III, Marquess of Montferrat

John III Palaeologus was the Margrave of Montferrat from 1378 to his death. He was the second son of John II of Montferrat and Isabella of Majorca and brother and successor of Secondotto. On 3 January 1379, John III was installed as margrave under the regency of his uncle Otto, Duke of Brunswick-Grubenhagen.