William de Warenne, 5th Earl of Surrey
William de Warenne, 5th Earl of Surrey was the son of Hamelin de Warenne and Isabel, daughter of William de Warenne, 3rd Earl of Surrey. His father Hamelin granted him the manor of Appleby, North Lincolnshire.
De Warenne was present at the coronation of John, King of England on 27 May 1199. When Normandy was lost to the French in 1204 he lost his Norman holdings, but John recompensed him with Grantham and Stamford.
His first tenure of office as Lord Warden of the Cinque Ports began in 1204, and lasted until 1206; he was again appointed as Warden in 1214. He was also a Warden of the Welsh Marches between 1208 and 1213. Between the years 1200 and 1208, and between 1217 and 1226 he was to serve as the High Sheriff of Surrey.
William was one of the few barons who remained loyal to King John succeeded his father as earl, while the daughter, Isabel de Warenne, married Hugh d'Aubigny, 5th Earl of Arundel. William may also have had an earlier, childless marriage to another Matilda, daughter of William d'Aubigny, 2nd Earl of Arundel.
