Ralph, by Isabel, his wife, had three sons, Philip, s. his uncles; Elias, s. his brother; and Owen. [Sir Bernard Burke, Dormant, Abeyant, Forfeited and Extinct Peerages, Burke's Peerage, Ltd., London, England, 1883, p. 160, Daubeney, Barons Daubeney, Earl of Bridgewater]