'In or about the reign of king John, the town of Thornton became a member of the fee of Aldford, with several other townships ... At this period it was confirmed ... to Peter, the secretary of the Earl of Chester, by the charter annexed, executed whilst Philip de Orreby was justice of Chester, who continued in office from the 10th of King John to the 13th of Henry the Third.'
'Peter the Clerk, who became possessed of the manor of Thornton ..., is stated by Collins, on the authority of the Egerton pedigree, to have been a younger son of David Le Clerc, lord of a moiety of the Barony of Malpas. The same descent is frequently given among the Cheshire pedigrees; and in one copy of Booth's pedigrees a reference for confirmation of this fact, is expressly made to an original charter then in the possession of the writer, ...'