Ancestry of
Billie Eilish

Singer and Songwriter

Reginald FitzRoy

View famous kin of Reginald FitzRoy

• • 27th Great-grandfather of Billie Eilish — 30th Generation
  • Ahnentafel No:
  • 822337998 
  • Father:
  • Henry I, King of England 
  • Mother:
  • Sibyl Corbet   
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  • Spouse Name:
  • Mabel FitzWilliam
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  • Child:

  Maud FitzReginald (Ahnentafel No:411168999 )

  • Notes: 

  • aka Reginald de Mortain, Earl of Cornwall

    Reginald was the illegitimate child of King Henry I and Sibyl Corbet.

• Sources for Reginald FitzRoy

  • ¹ Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States (2 vols.), Baltimore: Genealogical Publishing Co. (2008), 479.
  • ² 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), 739, 957.
  • ³ 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), 58.

Billie Eilish photo by Justin Higuchi (CC BY 2.0)