| Sources |
- [S812] The Victoria County History of Lancaster. Portions online, linked from medievalgenealogy.org.uk.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.
- [S6884] The Cartulary of St. Leonard's Hospital, York, Rawlinson volume I, ed. David X. Carpenter. Woodbridge, Suffolk: The Yorkshire Archaeological Society and the Borthwick Institute for Archives, in association with The Boydell Press, an imprint of Boydell & Brewer Ltd., 2015.
- [S5159] The Parliamentary Representation of the County of York, 1258-1832 ed. A. Gooder. 2 volumes. Yorkshire Archaeological Society, 1935-38.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013., year only.
- [S47] The History of Parliament. Some citations point to entries from the printed volumes not yet added to the online site., year only.
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