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Facts and Events
References
- ↑ 1.0 1.1 1.2 Richardson, Douglas, and Kimball G. Everingham. Magna Carta Ancestry: A Study in Colonial and Medieval Families. (Baltimore: Genealogical Publishing Company, 2005)
pp.54,71,119. - ISABEL de Clare (10 Mar 1263-after 1322)., in Cawley, Charles. Medieval Lands: A prosopography of medieval European noble and royal families.
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