Ancestry of
Mary Mainwaring

(c1541–a1578)

William de Beauchamp

View famous kin of William de Beauchamp

• • 9th Great-grandfather of Mary Mainwaring — 12th Generation
  • Ahnentafel No:
  • 3040 
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  • ABT 1269 
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  • Spouse Name:
  • Isabel Mauduit
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  William de Beauchamp (Ahnentafel No:1520 )

  Walter de Beauchamp

  • Notes: 

  • 5th Baron Beauchamp of Elmley Castle

• Additional marriages for William de Beauchamp

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• Sources for William de Beauchamp

  • ¹ New England Historical and Genealogical Register, 1943, Vol. 97, p. 342.
  • ² thePeerage.com: A Genealogical Survey of the Peerage of Britain as Well as the Royal Families of Europe, (accessed 10/01/2011).
  • ³ Richardson, Douglas, Royal Ancestry: A Study in Colonial and Medieval Families, Salt Lake City, Utah: Douglas Richardson (2013), Vol. III, p. 410.