Robert d. in the Holy Land, leaving issue by his wife, Hawyse, dau. of Hugh Keveliok, Earl of Chester, an only dau., Margaret, who m. 1st, John de Lacie, Earl of Lincoln, and 2ndly, Walter, Earl of Pembroke. [Sir Bernard Burke, Dormant, Abeyant, Forfeited and Extinct Peerages, Burke's Peerage, Ltd., London, England, 1883, p. 447, Quincy, Earls of Winchester]