- Born: 1145
- Marriage: Henri de Champagne
- Died: 11 Mar 1198, Troyes, Aube, Champagne, France at age 53
- Buried: Mar 1198, Cathedral of Meaux, Seine-et-Marne
Noted events in her life were:
• Background Information. 160
Baldwin VI was the son of Baldwin V, count of Hainaut & his wife Margarite of Flanders. Baldwin VI, Count of Hainaut and Flanders, born in Valenciennes, Jul 1171, was a leader of the Fourth Crusade, Emperor of Constantinople and died 11 Jun 1205 or 1206. He married Marie of Champagne and they were the parents of Margaret Countess of Hainaut and Flanders. Marie of Champagne was the daughter of Marie of France, daughter of Louis VII, King of France and Eleanor of Aquitaine, and Henry, Count of Champagne.
~Weis' Ancestral Roots of Certain American Colonists Who Came to America before 1700, 8th Edition, 168:27-29, 102:25-27
• Web Reference: Charles Cawley's Medieval Lands.
The Chronicle of Alberic de Trois-Fontaines names "Mariam comitissam Trecensum et Aelidem comitissam Blesensem" as the two daughters of "regi Francie Ludovico" and his wife "Alienor Guilielmi filia comitis Pictavorum et Aquitanie ducis" [Chronica Albrici Monachi Trium Fontium 1152, MGH SS XXIII, p. 841]. Her parentage is confirmed by Matthew of Paris, who specifies that she was the older sister and married the older brother "Henricus filius magni comitis Theodbaldi Flandrensis", although he does not give her name [MP, Vol. II, 1137, p. 166]. Regent of Champagne during the absence of her husband on Crusade 1179-1181, during the minority of her son Henri II 1181-1187, during the latter's absence on Crusade 1190-1197, and during the minority of her grandson Thibaut III 1197-1198. The Chronicle of Alberic de Trois-Fontaines records the death in 1198 of "comitissa Maria Campaniensis" [Chronica Albrici Monachi Trium Fontium 1198, MGH SS XXIII, p. 876]. Marie married (1164) Henri I "le Libéral" Comte de Champagne, son of Thibaut IV "le Grand" Comte de Blois & his wife Mathilde of Carinthia [Sponheim] (1126-Troyes 17 Mar 1181, bur Troyes, Saint-Etienne).
Marie married Henri de Champagne, son of Thibauld 'le Grand' Comte de Champagne et Blois and Matilda von Sponheim. (Henri de Champagne was born in 1126 in Troyes, Aube, Champagne, France, died on 14 Mar 1181 in Troyes, Aube, Champagne, France and was buried in 1181 in Troyes, Aube, Champagne, France.)