The Marquesses of Montferrat were noble rulers in the region of Montferrat, located in northwestern Italy. This title emerged in the 11th century and was associated with the powerful Piedmont area. The marquesses played a significant role in the political and military affairs of the region, often engaging in alliances and conflicts with neighboring states. The most notable family associated with the title was the Paleologi, who ruled from the late 13th century until the early 16th century. The Marquesses of Montferrat were influential in the Crusades and contributed to the cultural and architectural development of their territories, leaving a lasting legacy in Italian history.