Ancestry of
John Cass

(1687–)

William de Beauchamp

View famous kin of William de Beauchamp

• • 14th Great-grandfather of John Cass — 17th Generation
  • Ahnentafel No:
  • 101838 
  • Father:
  • William de Beauchamp 
  • Mother:
  • Isabel Mauduit   
  • Birth Date:
  • ABT 1237 
  • Birth Location:
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  • Christening Date:
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  • Christening Location:
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  • Death Date:
  • ABT 1298 
  • Death Location:
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  • Burial Date:
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  • Burial Location:
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  • Spouse Name:
  • Maud FitzJohn
  • Marriage Date:
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  • Marriage Location:
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  • Children:
  
  

  Guy de Beauchamp

  Isabella de Beauchamp (Ahnentafel No:50919 )

  • Notes: 
  • 9th Earl of Warwick

• Sources for William de Beauchamp

  • ¹ New England Historical and Genealogical Register, 1991, Vol. 145, Page 268.
  • ² Mosley, Charles, editor, Burke's Peerage and Baronetage, 106th edition, Crans, Switzerland: Burke's Peerage (Genealogical Books) Ltd. (1999), 1030.
  • ³ Richardson, Douglas, Royal Ancestry: A Study in Colonial and Medieval Families, Salt Lake City, Utah: Douglas Richardson (2013), Vol. III, p. 410.
  • ⁴ Richardson, Douglas and Kimball G. Everingham, Magna Carta Ancestry: A Study in Colonial and Medieval Families, Baltimore, Maryland: Genealogical Publishing Company (2005), 159.
  • ⁵ Weis, Frederick Lewis, et. al., The Magna Charta Sureties, 1215: The Barons Named in the Magna Charta, 1215 and Some of their . . ., 5th edition, Baltimore, Maryland: Genealogical Publishing Co., Inc. (Third Printing, 2006), 6.
  • ⁶ Wikipedia, "William de Beauchamp, 9th Earl of Warwick", _9th_Earl_of_Warwick, (accessed 02/20/2010).