C. P. Lewis.Avranches, Hugh d', first earl of Chester (d. 1101) Oxford Dictionar...
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C. P. Lewis.Avranches, Hugh d', first earl of Chester (d. 1101) Oxford Dictionary of National Biography, Oxford University Press, 2004. Article available on subscription basis only. Article credits C.P. Lewis, ‘The formation of the honor of Chester, 1066–1100’, Journal of the Chester Archaeological Society, 71 (1991), 37–68 [G. Barraclough issue, The earldom of Chester and its charters, ed. A. T.Thacker] · C. P. Lewis, ‘Gruffudd ap Cynan and the Normans’, Gruffudd ap Cynan: a collaborative biography, ed. K. L. Maund (1996), 61–77 · Ordericus Vitalis, Eccl. hist. · A. Farley, ed., Domesday Book, 2 vols. (1783) · D. Bates, William the Conqueror (1989) · F. Barlow, William Rufus (1983) · L. Musset, ‘Les origines et le patrimoine de l'abbaye de Saint-Sever’, La Normandie bénédictine au tempsde Guillaume le conquérant, ed. J. Daoust (1969), 357–67 · C. P. Lewis, ‘The early earls of Norman England’, Anglo-Norman Studies, 13 (1990), 207–23 · G. Barraclough, ed., The charters of the Anglo-Norman earls of Chester, c.1071–1237, Lancashire and Cheshire RS, 126 (1988), 23 [no. 13]. Cited by Gordon Banks. [http://www.gordonbanks.com/gordon/family/2nd_Site/geb-p/p301.htm Gordon Banks Family Site. Accessed October 4, 2018 jhd