Ancestry of
Billie Eilish

Singer and Songwriter

Elizabeth de Badlesmere

View famous kin of Elizabeth de Badlesmere

• • 21st Great-grandmother of Billie Eilish — 24th Generation
  • Ahnentafel No:
  • 12848361 
  • Father:
  • Bartholomew de Badlesmere 
  • Mother:
  • Margaret de Clare   
  • Birth Date:
  • ABT 1313 
  • Birth Location:
  • Castle Badlesmere, Kent, England 
  • Christening Date:
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  • Christening Location:
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  • Death Date:
  • 8 Jun 1356 
  • Death Location:
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  • Burial Date:
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  • Burial Location:
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  • Spouse Name:
  • Edmund Mortimer
  • Marriage Date:
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  • Marriage Location:
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  • Child:

  Roger de Mortimer (Ahnentafel No:6424180 )

• Additional marriages for Elizabeth de Badlesmere

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  • Spouse:
  • William de Bohun
  • Marriage Date:
  • ABT 1335

• Sources for Elizabeth de Badlesmere

  • ¹ American Ancestors, "Boris Johnson: Royal Ancestry", (accessed 04/15/2020).
  • ² Browning, Charles H., Americans of Royal Descent: A Collection of Genealogies of American Families Whose Lineage is Traced to . . ., 2nd Ed., Philadelphia: Porter and Coates (1891), 160.
  • ³ Roberts, Gary Boyd, Notable Kin, Volume 1, Santa Clarita, California: Carl Boyer, 3rd (1998), 62.
  • ⁴ Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States (2 vols.), Baltimore: Genealogical Publishing Co. (2008), 308, 312, 314, 328, 336, 342, 353, 359.
  • ⁵ 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), 500, 558.
  • ⁶ Weis, Frederick Lewis, Eight Lines of Descent of John Prescott, Founder of Lancaster, Massachusetts, 1645, Dublin, New Hampshire: (1957), 46.
  • ⁷ Weis, Frederick Lewis, et. al., The Magna Charta Sureties, 1215: The Barons Named in the Magna Charta, 1215 and Some of their . . ., 5th edition, Baltimore, Maryland: Genealogical Publishing Co., Inc. (Third Printing, 2006), 25.
  • ⁸ Wikipedia, "Elizabeth de Badlesmere, Countess of Northampton", (accessed 02/23/2010).
  • ⁹ Wurts, John S., Magna Charta, New York: Brookfield Publishing Company (1893), 1594.

Billie Eilish photo by Justin Higuchi (CC BY 2.0)