Ancestry of
Allen Dulles

5th Director of the C.I.A.

Isabel de Beaumont

View famous kin of Isabel de Beaumont

• • 25th Great-grandmother of Allen Dulles — 28th Generation
  • Ahnentafel No:
  • 200434813 
  • Father:
  • Robert de Beaumont 
  • Mother:
  • Isabel de Vermandois   
  • Birth Date:
  • ABT 1102 
  • Birth Location:
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  • Christening Date:
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  • Christening Location:
  •  
  • Death Date:
  • ABT 1172 
  • Death Location:
  •  
  • Burial Date:
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  • Burial Location:
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  • Spouse Name:
  • Gilbert Fitzgilbert de Clare
  • Marriage Date:
  • ABT 1130 
  • Marriage Location:
  •  
  • Child:

  Richard de Clare (Ahnentafel No:100217406 )

  • Notes: 

  • Some sources list Isabel's given name as Elizabeth.

• Additional marriages for Isabel de Beaumont

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  • Spouse:
  • Henry I, King of England
  • Marriage Date:
  • NOT MARRIED

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  • Spouse:
  • Ralph Bluet

• Sources for Isabel de Beaumont

  • ¹ Burke, John and John Bernard Burke, The Royal Families of England, Scotland, and Wales, with their Descendants, Sovereigns and Subjects, Vol. I, London: J. Billing, Printer and Stereotyper (1851), pedigree XIII for Rev. Pierce William Drew.
  • ² Richardson, Douglas, Royal Ancestry: A Study in Colonial and Medieval Families, Salt Lake City, Utah: Douglas Richardson (2013), Vol. V, p. 273.
  • ³ Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States (2 vols.), Baltimore: Genealogical Publishing Co. (2008), 526, 528.
  • ⁴ Weis, Frederick Lewis, et. al., Ancestral Roots of Certain American Colonists Who Came to America Before 1700, 8th Edition, Baltimore, Maryland: Genealogical Publishing Company (2004), 119.
  • ⁵ Wikipedia, "Gilbert de Clare, 1st Earl of Pembroke", _1st_Earl_of_Pembroke, (accessed 02/20/2010).