Ancestry of
Thomas Jefferson

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

Gruffudd ap Cynan ab lago

View famous kin of Gruffudd ap Cynan ab lago

• • 20th Great-grandfather of Thomas Jefferson — 23rd Generation
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  • 4735202 
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  Susanna ferch Gruffudd ap Cynan (Ahnentafel No:2367601 )

  • Notes: 

  • King of Gwynedd

• Sources for Gruffudd ap Cynan ab lago

  • ¹ 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), 815.