Ancestry of
John D. Rockefeller

Founder of the Standard Oil Company

Gruffydd I ap Llywelyn

View famous kin of Gruffydd I ap Llywelyn

• • 32nd Great-grandfather of John D. Rockefeller — 35th Generation
  • Ahnentafel No:
  • 21752297502 
  • Father:
  • Llywelyn ap Seisyll 
  • Mother:
  • Angharad -----   
  • Birth Date:
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  • Christening Date:
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  • Death Date:
  • 5 Aug 1063 
  • Death Location:
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  • Spouse Name:
  • Edith -----
  • Marriage Date:
  • ABT 1057 
  • Marriage Location:
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  • Child:

  Nest of North Wales (Ahnentafel No:10876148751 )

  • Notes: 

  • Prince of North Wales, King of Gwynedd and Powys

• Sources for Gruffydd I ap Llywelyn

  • 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, 167.