John FitzAlan, 2nd Baron Arundel, 2nd Baron Maltravers jure matris, also called John de Arundel, of Buckland, Surrey, was the son and heir of John FitzAlan, 1st Baron Arundel by his wife Eleanor Maltravers, the grand-daughter and eventual heiress of John Maltravers, 1st Baron Maltravers. Wikipedia