Gilbert de Segrave, having m. Annabil, dau. and co-heir of Robert de Chaucombe, obtained a grant in the 15th Henry III [1231] from Simon de Montfort, lord of Leicester, of the whole town of Kegworth, co. Leicester, and in two years after, had a grant from the crown of the manor of Newcastle-under-Lyme, co Stafford, being the same year constituted governor of Bolsover Castle. In the 26th Henry III [1241], he was made justice of all the royal forests south of Trent, and governor of Kenilworth Castle. In the 35th of the same reign, he was constituted one of the justices of Oyer and Terminer, in the city of London, to hear and determine all such causes as had usually been tried before the justice itinerant, at the Tower of London. In three years afterwards, being deputed with Roger Bigod, Earl Marshal, on an embassy, he was treacherously seized, along with John de Plessets, Earl of Warwick, and divers others of the English nobility, by the French as he was returning, and d. within a short period of the severe treatment he had received in prison. His decease occurred somewhat about the year 1254, when he was s. by his son, Nicholas de Segrave. [Sir Bernard Burke, Dormant, Abeyant, Forfeited, and Extinct Peerages, Burke's Peerage, Ltd., London, 1883, p. 484, Segrave, Barons Segrave of Barton Segrave]
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