This great heiress, Isabel de Nevill, m. Robert Fitz-Maldred, the Saxon, Lord of Raby, in the bishopric of Durham, and had a son, Geoffrey, who, adopting his maternal surname and inheriting the estates, became Geoffrey de Nevill. [Sir Bernard Burke, Dormant, Abeyant, Forfeited, and Extinct Peerages, Burke's Peerage, Ltd., London, 1883, p. 392, Nevill, Barons Nevill, of Raby, Earls of Westmoreland]