Theodore I Palaiologos or Palaeologus was Marquis of Montferrat from 1306 until his death. Wikipedia
Born: 1290
Died: April 24, 1338 (age 48 years), Trino, Italy
Grandchildren: Theodore II, Marquis of Montferrat, Secondotto, Marquess of Montferrat, Amadeus VI, Count of Savoy, and more
Parents: Andronikos II Palaiologos and Irene of Montferrat
Great grandchildren: John Jacob, Marquis of Montferrat, Sophia of Montferrat, Amadeus VII, Count of Savoy, and more
Great-grandparents: Andronikos Palaiologos, Boniface II, Marquis of Montferrat, Theodora Angelina Palaiologina, and more