Boniface I of Montferrat was a nobleman from the House of Montferrat, a prominent family in medieval Italy. He became the Margrave of Montferrat around 1180 and played a significant role in the political landscape of the region. His leadership helped to strengthen the family's influence and territorial control. He is also known for his involvement in the Fourth Crusade, which aimed to reclaim the Holy Land. Boniface's participation in this campaign further established his reputation as a key figure in both military and political affairs during the late 12th century.