Ancestry of
Thomas Jefferson

3rd U.S. President and Signer of the Declaration of Independence

Conan I of Brittany

View famous kin of Conan I of Brittany

• • 26th Great-grandfather of Thomas Jefferson — 29th Generation
  • Ahnentafel No:
  • 303054658 
  • Father:
  • Judicael Berengar 
  • Mother:
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  • Birth Date:
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  • Christening Date:
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  • Death Date:
  • 27 Jun 0992 
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  • Spouse Name:
  • Ermengarde of Anjou
  • Marriage Date:
  • ABT 0973 
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  • Child:

  Judith of Brittany (Ahnentafel No:151527329 )

  • Notes: 

  • Duke of Brittany, Count of Rennes

    Conan I was killed in battle.

• Sources for Conan I of Brittany

  • ¹ American Society of Genealogists, The Genealogist, Rockport, Maine: Picton Press, 1989, Vol. 10, No. 1, pp. 3-4.
  • ² Richardson, Douglas, Royal Ancestry: A Study in Colonial and Medieval Families, Salt Lake City, Utah: Douglas Richardson (2013), Vol. V, p. 481.
  • 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), 562-569.
  • ⁴ 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), 919.
  • ⁵ Wikipedia, "Conan I of Rennes", (accessed 02/21/2010).