[2] He was still a minor at the death of his father, and his uncle Theobald III of Blois acted as regent of Troyes.
[3] Adelaide (sometime called Adeliza) was also sister of William the Conqueror,[1] and Odo accompanied his brother-in-law in the Norman conquest of England (1066).
[4] Stephen was the first cousin of brothers William Rufus, King of England and Robert Curthose, Duke of Normandy.
[citation needed] Odo lost his English lands for his complicity[7] but they were restored to Stephen two years after the death of William Rufus.
[8] In 1902 Richard Langrishe published a paper in which he put forward the theory that Odo was the primogenitor of the Irish family of Le Gras (Grace).