Theodore II, Marquess of Montferrat Italian noble (1364–1418) Parents Isabella I of Majorca John II, Marquess of Montferrat Children John Jacob, Marquess of Montferrat Sophia of Montferrat Siblings Michael von Reischach Margaret of Montferrat Secondotto, Marquess of Montferrat John III, Marquess of Montferrat Partners Argentina Malaspina of Gragnola Jeanne of Bar Blessed Margaret of Savoy