Ancestry of
Thomas Jefferson

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

Alfonso IX, King of Leon

View famous kin of Alfonso IX, King of Leon

• • 18th Great-grandfather of Thomas Jefferson — 21st Generation
  • Ahnentafel No:
  • 1631354 
  • Father:
  • Mother:
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  • Birth Date:
  • 15 Aug 1171 
  • Birth Location:
  • Zamora, Castile and Leon, Spain 
  • Christening Date:
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  • Christening Location:
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  • Death Date:
  • 23 or 24 SEP 1230 
  • Death Location:
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  • Burial Date:
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  • Burial Location:
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  • Spouse Name:
  • Berengaria of Castile
  • Marriage Date:
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  • Child:

  Berenguela of Leon (Ahnentafel No:815677 )

• Sources for Alfonso IX, King of Leon

  • ¹ Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States (2 vols.), Baltimore: Genealogical Publishing Co. (2008), 385.
  • ² Wikipedia, "Alfonso IX of Leon", (accessed 03/01/2010).