1Charles Mosley Editor-in-Chief, Burke's Peerage and Baronetage, 106th Edition, 1999, 1671, 2944.
2Frederick Lewis Weis, additions by Walter Lee Shippard Jr., Ancestral Roots of Certain American Colonists, 7th Edition, pp. 50-24.
1Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, by Sir Bernard Burk.