Geoffrey de Mandeville (11th century)

Geoffrey de Mandeville alias de Magnaville (Latinized to: de Magna Villa ("from the great town")), (died c. 1100), Constable of the Tower of London. He was a Norman from Magna Villa in the Duchy of Normandy. There are a number of communes that were anciently referred to as Magna Villa such as Manneville-la-Goupil, Mannevillette and others. Some records may indicate he was from today's Thil-Manneville, in Seine-Maritime, Haute-Normandy (upper Normandy).

An important Domesday tenant-in-chief, de Mandeville was one of the ten richest magnates of the reign of William the Conqueror. William granted him large estates, primarily in Essex, but in ten other shires as well. He served as the first sheriff of London and Middlesex, and perhaps also in Essex, and in Hertfordshire. He was the progenitor of the de Mandeville Earls of Essex. About 1085 he and Lescelina, his second wife, founded Hurley Priory as a cell of Westminster Abbey.

He married firstly, Athelaise (Adeliza) (d. bef. 1085), by whom he had:

He married secondly Lescelina, by whom he had no children.