EustaceofFlanders or Eustace of Hainaut was a member of the House of Flanders, brother of the Latin Emperors Baldwin I and Henry, and regent of the Kingdom of Thessalonica in 1209–1216.
Eustace I, Count of Boulogne, was a nobleman and founder of the Boulogne branch of the House of Flanders. He held the county of Boulogne from 1024 until his death in 1047.
Eustace II, (c. 1015 – c. 1087), also known as Eustace aux Grenons ("Eustace with long moustaches"), [2 ] [3 ] [4 ] was Count of Boulogne from 1049 to 1087.
He became lord of Caesarea in 1101, lord of Sidon in 1110, and in April 1123, was elected constable and bailiff of Jerusalem during the captivity of Baldwin II of Jerusalem. [2 ] Shortly before his death, he defeated a Fatimid army at the…
The House ofFlanders was the first dynasty to transform a county function of the Carolingian Empire into a hereditary fiefdom, the County of Flanders, falling under West Francia, created by the Treaty of Verdun in 843. [1 ]
The importance of the late twelfth-century Chronicle of Hainaut as a primary source cannot be overestimated. It is particularly valuable as a historical record because Gilbert of Mons was an eye-witness to important events affecting Count…