William de Cantilupe (died 1239)

William I de Cantilupe (c. 1159 - 7 April 1239) was an Anglo-Norman feudal lord and royal administrator who was the 1st feudal baron of Eaton Bray in Bedfordshire, England, and Baron of the Exchequer. He served as steward of the household to King John. His name was anciently spelled Cantelow, Cantelou or Canteloupe, and Latinised to de Cantilupo.