Sources:
Title: Collins' Peerage of England, Genealogical, Biographical, and Historical, Greatly Augmented, etc.; Sir Egerton Brydges {1812}
Page: VII:89-90
Title: Thoroton's History of Nottinghamshire, 2nd ed; Robert Thoroton {1790-1797}
Page: II:284
Title: Domesday Descendants, A Prosopography of People Occuring in English Documents 1066-1166; K B S Keats-Rohan {2002}
Page: 362