Ancestry of
Barack Obama

44th U.S. President

Robert de Ros

View famous kin of Robert de Ros

• • 27th Great-grandfather of Barack Obama — 30th Generation
  • Ahnentafel No:
  • 808457248 
  • Father:
  • Peter de Ros 
  • Mother:
  • Adeline L'Espec   
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  • Spouse Name:
  • Sybil de Valoines
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  Everard Ros (Ahnentafel No:404228624 )

• Sources for Robert de Ros

  • ¹ Taylor, Rev. R. V., "Ribston and the Knights Templar", The Yorkshire Archaeological Journal, Volume 7 (1882), 432.
  • ² Wikipedia, "Everard de Ros", (accessed 03/21/2010).