Boniface I of Montferrat

Boniface I (Italian: Bonifacio del Monferrato; Greek: Βονιφάτιος Μομφερρατικός, romanized: Vonifatios Momferratikos; c. 1150 – 4 September 1207) was the marquis of Montferrat from 1192, a leader of the Fourth Crusade (1201–04) and the king of Thessalonica (from 1205).