Ancestry of
Boris Johnson

Prime Minister of the United Kingdom

Isabel de Clare

View famous kin of Isabel de Clare

• • 26th Great-grandmother of Boris Johnson — 29th Generation
  • Ahnentafel No:
  • 378642471 
  • Father:
  • Richard de Clare 
  • Mother:
  • Aoife MacMurrough   
  • Birth Date:
  • ABT 1172 
  • Birth Location:
  • Ireland 
  • Christening Date:
  •  
  • Christening Location:
  •  
  • Death Date:
  • ABT 1220 
  • Death Location:
  •  
  • Burial Date:
  •  
  • Burial Location:
  •  
  • Spouse Name:
  • William Marshal
  • Marriage Date:
  • Aug 1189 
  • Marriage Location:
  •  
  • Children:
  
  

  Maud Marshal

  Isabel Marshal (Ahnentafel No:189321235 )

  Sibyl Marshal

  Eva Marshal

  • Notes: 

  • Isabel de Clare's maiden name is also seen as FitzGilbert.

    4th Countess of Pembroke

• Sources for Isabel de Clare

  • ¹ American Society of Genealogists, The Genealogist, Rockport, Maine: Picton Press, 1988, Vol. 9, Iss. 2, p. 193.
  • ² Buck, J. Orton and Timothy Field Beard, Pedigrees of Some of the Emperor Charlemagne's Descendants, Volume III, Baltimore, Maryland: Genealogical Publishing Company (1996), 241.
  • ³ 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.
  • ⁴ Richardson, Douglas, Royal Ancestry: A Study in Colonial and Medieval Families, Salt Lake City, Utah: Douglas Richardson (2013), Vol. II, p. 561.
  • ⁵ 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.
  • ⁶ Roberts, Gary Boyd, The Royal Descents of 900 Immigrants to the American Colonies, Quebec, or the United States (2 vols.), Baltimore: Genealogical Publishing Company (2018), 845.
  • ⁷ 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), 71, 125.
  • ⁸ 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), 179.
  • ⁹ Wikipedia, "Isabel de Clare, 4th Countess of Pembroke", _4th_Countess_of_Pembroke, (accessed 02/20/2010).

Boris Johnson photo by Ben Shread (U.K. OGL v3.0)