William flourished in the reign of Henry I, and of whom the Great Pipe Roll of 31 of Henry I, 1130/1, makes much mention. This Pipe Roll proves William Tregoze to have been a man of great consequence, and to have been concerned in Norfolk, Essex, Berks and Lincolnshire; and moreover that he then had the lands of William Peberell of London. William Tregoze married and had issue and very probably Agnes Tregoze, who we find living in 9th of Richard I, as concerned in Norfolk and Essex was his widow. His issue was apparently three sons and a daughter: Geoffrey, his heir, Sir