Theodore I Marquess of Montferrat (1306-1338) (1290–1338) Parents Irene of Montferrat Andronikos II Palaiologos Children John II, Marquess of Montferrat Yolande Palaeologina of Montferrat Siblings Demetrios Palaiologos John Palaiologos Simonida Bartholomaios Palaiologos Michael IX Palaiologos Konstantinos Palaiologos Maria Palaiologina Irene Paleologina Partners Argentina Spinola