↑ 1.01.11.2 G E Cokayne. Complete Peerage, new edition, volume XII Part I, St Catherine Press, 1953, p. 575
↑ 2.02.12.22.3 George Poulson. The History and Antiquities of the Seigniory of Holderness, in the East-Riding of the County of York, volume II, pub. Thomas Topping (Hull) and W Pickering (London), 1841, p. 326, Google Books
↑ 3.03.13.23.3 Charles Frost. Notices relative to the early history of the town and port of Hull, pub. J B Nichols, London, 1827, pedigree facing p. 99, Google Books
↑ Thomas Blashill. Sutton-in-Holderness, 1896, p. 110, Internet Archive
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