Ancestry of
William Cavendish

(1552–1625/26)

Llywelyn ap Iorwerth

View famous kin of Llywelyn ap Iorwerth

• • 12th Great-grandfather of William Cavendish — 15th Generation
  • Ahnentafel No:
  • 28106 
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  • Aberconwy Abbey, Conwy, Wales 
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  • Joan Plantagenet
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  Dafydd ap Llywelyn

  Gwladus Ddu of Wales (Ahnentafel No:14053 )

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  • Prince of North Wales

• Sources for Llywelyn ap Iorwerth

  • ¹ Richardson, Douglas and Kimball G. Everingham, Plantagenet Ancestry: A Study in Colonial & Medieval Families, 2nd Edition, Salt Lake City, Utah: Douglas Richardson (2011), Vol. III, p. 190.
  • ² Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States (2 vols.), Baltimore: Genealogical Publishing Co. (2008), 408.