Individual Details

Guy III, Count of Saint-Pol

( - 1289)

According to Wikipedia:

Guy III of Châtillon, Count of Saint-Pol (died 1289) was a French nobleman, and was a younger son of Hugh I, Count of Blois, and Mary, Countess of Blois.[1]

While his elder brother John I of Châtillon succeeded to their mother's County of Blois, Guy was given their father's county of Saint-Pol-sur-Ternoise at his death in 1248.

On January 16, 1255, he married Matilda of Brabant, Countess of Artois,[2] daughter of Henry II, Duke of Brabant and Marie of Hohenstaufen, and thereafter was a supporter of his brother-in-law Henry III against Guelders. They had:

Hugh II, Count of Blois[3].
Guy IV, Count of Sain-Pol.
Jacques, lord of Leuze-Châtillon.
Beatrix (d. 1304), married John I of Brienne, Count of Eu[3]
Jeanne, married Guillaume III de Chauvigny, Lord of Châteauroux
He joined the Eighth Crusade (1270) and the ill-fated Crusade of Aragón of Philip III of France.

References
Theodore Evergates, The Aristocracy in the County of Champagne, 1100-1300, (University of Pennsylvania Press, 2007), 254.
"Maude of Brabant (1224-1288)." Women in World History: A Biographical Encyclopedia. 2002. HighBeam Research. (October 14, 2012). http://www.highbeam.com/doc/1G2-2591306344.html Archived 2016-03-08 at the Wayback Machine
M. A. Pollock, Scotland, England and France After the Loss of Normandy, 1204-1296, (The Boydell Press, 2015), 184.

Events

Death1289

Families

SpouseMatilda of Brabant (1224 - 1288)
ChildGuy IV, Count of Saint-Pol (1254 - 1317)
FatherHugh I, Count of Blois (1198 - 1248)
MotherMarie of Avesnes (1200 - 1241)