Also known as Theobald and Thibaut “le Vieil”.
Count of Blois
Count of Chartres
Count of Meaux
Count of Châteaudun
Lord of Sancerre
Count of Troyes
Count of Champagne
Thibaut was offered the crown of England in 1141, but declined.
Events
Date of Birth: by 1092.
Place of Birth: unknown.
The estimated date is given by LoPrete (p. 549).
Date of Death: January 1152.
Place of Death: unknown.
Place of Burial: St Pierre in Lagny.
The place is given by LoPrete (p. 418).
Relationships
Father: Étienne, count of Blois.
This relationship is given by père Anselme (2:838), by LoPrete (p. 549), by Evergates (p. 248), and by Keats-Rohan (p. 223).
Mother: Adela de Normandie.
This relationship is given by père Anselme (2:838), by LoPrete (p. 549), by Evergates (p. 248), and by Keats-Rohan (p. 223).
Spouse: Mathilde von Sponheim. Married 1123.
This relationship is given by père Anselme (2:840), by LoPrete (pp. 560-569), by Evergates (p. 248), and by Keats-Rohan (p. 223).
Children (by Mathilde):
(Complete source citations for facts about the children on this page are currently outside of the scope of this project. Most information below comes from Cawley and from Thompson.)
Henry I “le Libéral” (1126 - 17 March 1181), count of Champagne and of Brie, married Marie de France in 1164.
Marie (1128 - about 1190) married Eudes II, duke of Burgundy, in 1145.
Thibaut V “le Bon” (about 1130 - 1191), count of Blois and of Chartres, married (1) Sibylle de Château-Renard; married (2) Alix de France.
Isabelle (1130 - 1168) married (1) Roger, duke of Apulia; married (2) Guillaume (IV) Goët de Montmirail, baron of Perche-Goët.
Stephen, count of Sancerre.
William (died 7 September 1202), bishop of Chartres, bishop of Sens, Archbishop of Reims.
Matilda (died 1 January, about 1184) married Rotrou (II), count of Perche.
Agnes (died 7 August 1207) married Renaud (II), count of Bar.
Alix (about 1140 - June 1206) married Louis VII “le Jeune”, king of France.
Margaret.
Children (illegitimate):
Hugh, abbot of Lagny-sur-Marne.
References
Anselme de Sainte-Marie. Histoire Généalogique et Chronologique de la Maison Royale de France, des Pairs, Grands Officiers de la Couronne, de la Maison du Roy et des Anciens Barons du Royaume. 9 Volumes (Paris: 1726-1733).
Cawley, Charles. THIBAUT de Blois in Medieval Lands: A prosopography of medieval European noble and royal families.
Evergates, Theodore. The Aristocracy in the County of Champagne, 1100-1300 (University of Pennsylvania Press, 2007).
Keats-Rohan, Katharine S. B. Domesday Descendants: A Prosopography of Persons Occurring in English Documents 1106 - 1166. (Woodbridge: 2002).
LoPrete, Kimberly A. Adela of Blois: Countess and Lord (c. 1067 - 1137) (Dublin: Four Courts Press, 2007).
Tanner, Heather J. Families, Friends, and Allies: Boulogne and Politics in Northern France and England c. 879 - 1160. (Brill: 2004).
Sirjean, Gaston. Encyclopédie généalogique des maison souveraine du monde: Première Partie No. 3 Les Capétiens Directs (1959).
Thompson, Kathleen. Power and Border Lordship in Medieval France: The County of the Perche, 1000-1226,(The Boydell Press, 2002).