Ancestry of Admiral
Richard Byrd

Polar Explorer

Sibyl Marshal

View famous kin of Sibyl Marshal

• • 24th Great-grandmother of Richard Byrd — 27th Generation
  • Ahnentafel No:
  • 106274921 
  • Father:
  • (probable) John Marshal 
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  • Death Date:
  • AFT Oct 1250 
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  • Spouse Name:
  • William de Say III
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  William de Say IV (Ahnentafel No:53137460 )

  Agnes de Say

• Sources for Sibyl Marshal

  • ¹ Richardson, Douglas and Kimball G. Everingham, editor, Magna Carta Ancestry: A Study in Colonial and Medieval Families, 2nd edition, Salt Lake City, Utah: Douglas Richardson (2011), Vol. 1, p. 47.
  • ² 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), 17.