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 Hugh I, Count of Blois, also known as ''Hugh I of Châtillon'' ( – 9 April 1248)Theodore Evergates, ''The Aristocracy in the County of Champagne, 1100-1300'', (University of Pennsylvania Press, 2007), 223. was jure uxoris Count of Blois from 1230 ...

, and

Mary, Countess of Blois Mary, Countess of Blois, also known as ''Marie of Avesnes'', (1200–1241) was countess of Blois from 1230 to 1241. She was the daughter of Walter of Avesnes and Margaret of Blois.(FR)Henri Platelle, ''Présence de l'au-delà: une vision médi� ...

. While his elder brother

John I of Châtillon John is a common English name and surname: * John (given name) * John (surname) John may also refer to: New Testament Works * Gospel of John, a title often shortened to John * First Epistle of John, often shortened to 1 John * Second Ep ...

succeeded to their mother's

County of Blois The County of Blois was a feudal principality centred on Blois, south of Paris, France. It was created just after king Clovis I conquered Roman Gaul around AD 500. Between the 8th and the 13th centuries, it was amongst the most powerful vassal ...

, Guy was given their father's county of

Saint-Pol-sur-Ternoise Saint-Pol-sur-Ternoise (, literally ''Saint-Pol on Ternoise''; ; Picard language, Picard: ''Saint-Po-su-Térnoèse'') is a Communes of France, commune in the Pas-de-Calais Departments of France, department in northern France. It is the seat of th ...

at his death in 1248. On January 16, 1255, he married

Matilda of Brabant, Countess of Artois Matilda of Brabant (14 June 1224 – 29 September 1288) was the eldest daughter of Henry II, Duke of Brabant and his first wife Marie of Hohenstaufen. Marriages and children On 14 June 1237, which was her 13th birthday, Matilda married her f ...

,"Maude of Brabant (1224–1288)." Women in World History: A Biographical Encyclopedia. 2002. daughter of

Henry II, Duke of Brabant Henry II of Brabant (, ; 1207 – February 1, 1248) was Duke of Brabant and Duke of Lothier, Lothier after the death of his father Henry I, Duke of Brabant, Henry I in 1235. His mother was Matilda of Boulogne, Duchess of Brabant, Matilda of Bo ...

and

Marie of Hohenstaufen Maria of Swabia (1199/1200 – 29 March 1235) was a member of the powerful Hohenstaufen dynasty of German kings. Family Maria of Hohenstaufen was born in Arezzo, Tuscany Tuscany ( ; ) is a Regions of Italy, region in central Italy with an ...

, and thereafter was a supporter of his brother-in-law Henry III against

Guelders The Duchy of Guelders (; ; ) is a historical duchy, previously county, of the Holy Roman Empire, located in the Low Countries. Geography The duchy was named after the town of Geldern (''Gelder'') in present-day Germany. Though the present pr ...

. They had: * Hugh II, Count of Blois.M. A. Pollock, ''Scotland, England and France After the Loss of Normandy, 1204-1296'', (The Boydell Press, 2015), 184. * Guy IV, Count of Saint-Pol. *

Jacques Jacques or Jacq are believed to originate from the Middle Ages in the historic northwest Brittany region in France, and have since spread around the world over the centuries. To date, there are over one hundred identified noble families related t ...

, lord of Leuze-Châtillon. * Beatrix (d. 1304), married

John I of Brienne, Count of Eu John I of Brienne (born 1246 died 12 June 1294) was the son of Alphonso of Brienne and Marie de Lusigan. His mother was the heiress of Eu, Seine-Maritime, and he succeeded his father as Count of Eu in 1260. (both The Chronique des comtes d’E ...

* Jeanne, married Guillaume III de

Chauvigny Chauvigny (; Poitevin dialect, Poitevin: ''Chôvigni'') is a Communes of France, commune in the Vienne (department), Vienne Departments of France, department in the Nouvelle-Aquitaine Regions of France, region in western France. Chauvigny is locat ...

, Lord of Châteauroux He joined the

Eighth Crusade The Eighth Crusade was the second Crusade launched by Louis IX of France, this one against the Hafsid dynasty in Tunisia in 1270. It is also known as the Crusade of Louis IX Against Tunis or the Second Crusade of Louis. The Crusade did not see an ...

(1270) and the ill-fated

Crusade of Aragón The Aragonese Crusade (1284–1285), also known as the Crusade of Aragon or Crusade against Catalonia, was a military venture waged by the Kingdom of France against the Crown of Aragon. Fought as an extension of the War of the Sicilian Vespers ...

Philip III of France Philip III (1 May 1245 – 5 October 1285), called the Bold (), was King of France from 1270 until his death in 1285. His father, Louis IX, died in Tunis during the Eighth Crusade. Philip, who was accompanying him, returned to France and wa ...

References

{{s-end Chatillon, Guy III of Saint Pol, Guy II de Chatillon, comte de Saint Pol, Guy II de Chatillon, comte de 1289 deaths Year of birth unknown House of Châtillon