Fasti Ecclesiae Anglicanae 1066-1300, iii, 66-67: William of Winchcombe was a clerk of Robert of Hailes, archdeacon of Huntingon (1218) and first appears as a canon on 20 March 1226. He appears in the prebendary of Dunham and Newport 22 Aug. 1240. He died before 16 June 1252