This European crusader aided the Mongols during their siege of Aleppo in Syria.
Richard III
Louis VII
Godfrey of Bouillon
Bohemond VI
Bohemond VI, ruler of the Principality of Antioch, subjected himself to Mongol rule and participated in the attack on Aleppo in 1260, personally setting fire to the city’s mosque. He was excommunicated by the pope for the alliance.