SOURCE-16202Research NeededProbable
R. S. Underhill citing online sources: Foundation for Medieval Genealogy*, the P...
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R. S. Underhill citing online sources: Foundation for Medieval Genealogy*, the Peerage.com, Wikipedia.org and other genealogical & historic sources on the Web. * Medieval Lands by Charles Cawley, 2006-2011, Foundation for Medieval Genealogy, Roger Mortimer