Thibaut I le Tricheur de Blois, Count of Blois, Count of Chartres, Count of Châteaudun, Count of Tours, was born circa 913 to Thibault de Blois (890-928) and Richilde du Maine (892-922) and died circa 975 of unspecified causes. He married Liutgarde de Vermandois (c920-978) 943 JL . Charlemagne (747-814)/s.
|Offspring of Thibaut I de Blois and Liutgarde de Vermandois (c920-978)|
|Theobald de Blois (?-962)||962|
|Hugh de Blois (?-985)||985|
|Odo de Blois (?-996)||950||12 March 996||Bertha de Bourgogne (967-1016)|
|Emma de Blois (?-1003)||1003||William IV of Aquitaine (937-994)|
Some sources suggest there would have been a second daughter, Hildegarde, who would be the ancestor of the houses of Montmorency and Montlhery.