Ancestry of
Thomas Jefferson

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

Owain ap Hywel Dda

View famous kin of Owain ap Hywel Dda

• • 27th Great-grandfather of Thomas Jefferson — 30th Generation
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  • 835682548 
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  Maredudd ap Owain (Ahnentafel No:417841274 )

• Sources for Owain ap Hywel Dda

  • ¹ 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), 165.