Boniface III, Marquess of Montferrat

Boniface III, Marquess of Montferrat
Marquess of Montferrat
Reign 1483 - 1494
Predecessor William VIII Palaiologos
Successor William IX Palaiologos
Spouse(s) Orvietana di Campofregoso
Helena of Brosse
Marija Branković


Noble family House of Palaiologos
Father John Jacob of Montferrat
Mother Joanna of Savoy
Born (1426-08-10)10 August 1426
Died 1494

Boniface III Palaeologus (10 August 1426 - 1494) was marquess of Montferrat from 1483 until his death.


He was the son of marquis John Jacob and Joanna of Savoy. He succeeded his brother William VIII who had got involved in the War of Ferrara. When the conflict's eastern front settled, Boniface had to face the advance of the Dukes of Savoy. Boniface signed a treaty of non belligerence, and had his niece Bianca married to Duke Charles I of Savoy. He also conceded to the latter the title of Montferrat in case he would die without a male heir.

This decision was spurred by the assassination of Scipione Palaiologos, the illegitimate son of John IV of Montferrat who tried to gain the throne, at Casale Monferrato by his relative Ludovico II, Marquess of Saluzzo, who was also a candidate to the succession. Boniface sided the House of Savoy in the war against Saluzzo of 1486, and occupied several lands in the Langhe belonging to Ludovico II.

Boniface married three times, the first with Orvietana di Campofregoso, daughter of Pietro Campofregoso, doge of Genoa. His second wife was Helena of Brosse, a daughter of John II of Brosse. His third wife was Marija Branković, daughter of prince Stefan III of Serbia. He had two sons from his last marriage.

At his death, Boniface was succeeded by his eldest son William IX (1486-1518), who became Marquess of Montferrat between 1494 and 1518.
His other son John George (1488-1533) became the last Marquess of Montferrat between 1530 and 1533.


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Boniface III, Marquess of Montferrat
Born: 10 August 1426 Died: 1494
Preceded by
William VIII
Marquess of Montferrat
Succeeded by
William IX
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