Ancestry of
Billie Eilish

Singer and Songwriter

William de Forz

View famous kin of William de Forz

• • 23rd Great-grandfather of Billie Eilish — 26th Generation
  • Ahnentafel No:
  • 51396114 
  • Father:
  • Hugh de Vivonne 
  • Mother:
  • Mabel Malet   
  • Birth Date:
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  • Christening Date:
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  • Death Date:
  • BY 22 May 1259 
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  • Spouse Name:
  • Maud de Ferrers
  • Marriage Date:
  • ABT 30 Jul 1248 
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  • Child:

  Cecily de Vivonne (Ahnentafel No:25698057 )

  • Notes: 

  • Sir William de Forz's surname is also seen as Vivonne.

• Sources for William de Forz

  • ¹ Richardson, Douglas, Royal Ancestry: A Study in Colonial and Medieval Families, Salt Lake City, Utah: Douglas Richardson (2013), Vol. II, p. 564.
  • ² Richardson, Douglas and Kimball G. Everingham, Magna Carta Ancestry: A Study in Colonial and Medieval Families, Baltimore, Maryland: Genealogical Publishing Company (2005), 457, 550-551.
  • ³ Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States (2 vols.), Baltimore: Genealogical Publishing Co. (2008), 481.

Billie Eilish photo by Justin Higuchi (CC BY 2.0)