[2] He was given the manor where Caludon Castle was built, at Wyken near Coventry in 1232[3] or earlier,[4] by Ranulph de Blondeville, 4th Earl of Chester.

[5] In 1232, he succeeded Hubert de Burgh as chief justiciar of England.

[7] As an active coadjutor of Peter des Roches, bishop of Winchester, Segrave incurred some share of the opprobrium which was lavished on the Poitevin royal favourites of Henry III of England.

However, uncertain about his personal safety, he became a canon at Leicester Abbey, where he died on 9 November 1241, and was buried.

[8] Gilbert died at Pons in the Prerogative County of Poitiers (Comte apanage de Poitiers (de Poitou)), in the province of Saintonge, in a region controlled by the Kingdom of France, on 8 October 1254, following his capture during a campaign in Gascony.