Tags: Noble.
John Jacob Palaeologus (Italian: Giovanni Giacomo Paleologo) (March 23 1395 – March 12 1445) was the Margrave of Montferrat from 1418 to 1435.He was born in Trino Piedmont the son of Theodore II of Montferrat with whom he collaborated in the government of the marquisate from 1404. In 1412 he married Joanna of Savoy sister of Duke Amadeus VIII who gave him numerous children.After his father’s death in 1418 John Jacob received the investiture as marquess by emperor Sigismund.