Boniface I, Marquis of Montferrat
Boniface I, usually known as Boniface of Montferrat was the ninth Marquis of Montferrat (from 1192), a leader of the Fourth Crusade (1201–04) and the king of Thessalonica (from 1205).
Louis I, Count of Blois
Louis I of Blois was Count of Blois from 1191 to 1205. He is best known for his participation in the Fourth Crusade and later prominent role in the Battle of Adrianople.
Enrico Dandolo
Enrico Dandolo (Anglicised as Henry Dandolo, and Latinised as Henricus Dandulus; c. 1107 – May/June 1205) was the doge of Venice from 1192 until his death in 1205. He is remembered for his avowed piety, longevity, and shrewdness, and his role in the Fourth Crusade and the Sack of Constantinople. Dandolo died in 1205 in Constantinople and was buried at the Hagia Sophia.
Baldwin I, Latin Emperor
Baldwin I was the first Emperor of the Latin Empire of Constantinople; Count of Flanders (as Baldwin IX) from 1194 to 1205 and Count of Hainaut (as Baldwin VI) from 1195 to 1205. Baldwin was one of the most prominent leaders of the Fourth Crusade, which resulted in the sack of Constantinople in 1204, the conquest of large parts of the Byzantine Empire, and the foundation of the Latin Empire. The following year he was defeated at the Battle of Adrianople by Kaloyan, the emperor of Bulgaria, and spent his last days as a prisoner.
Henry, Latin Emperor
Henry of Flanders (1178? – 11 June 1216) was Latin emperor of Constantinople from 1205 until his death in 1216. He was one of the leaders of the Fourth Crusade in which the Byzantine Empire was conquered and Latin Empire formed.
