He [John Mautravers] married 2ndly, before 26 February 1330/1, Agnes, widow of Sir John DE NERFORD (died s.p., 1329), and relict of Sir John D'ARGENTINE (died 1318; see ARGENTINE), and daughter of William DE BEREFORD, of Burton, co. Leicester, Chief justice of the Common Pleas, by Margaret, daughter of Hugh DE PLESCY, which Agnes in 1354 was coheir of her brother Edmund. He died 16 February 1363/4, and was buried at Lytchett Mautravers. His widow, who had no issue by him, was assigned her dower in April 1364. She died 18 July 1375, and was buried in the Greyfriars, London. [Complete Peerage VIII:581-5, (transcribed by Dave Utzinger)]