In the reign of King Henry I, Alan de Bulmer, son of Henry de Bulmer, Lord of Bulmer and Brancepeth, m. and had three sons, vis., Bertram, Lord of Bulmer and Grancepeth; Anketel; and Alphonsus. [Sir Bernard Burke, Dormant, Abeyant, Forfeited, and Extinct Peerages, Burke's Peerage, Ltd., London, 1883, p. 88, Bulmer, Baron Bulmer]