Ancestry of
John Seymour

(c1474–1536)

Mary de Vernon

View famous kin of Mary de Vernon

• • 9th Great-grandmother of John Seymour — 12th Generation
  • Ahnentafel No:
  • 2105 
  • Father:
  • William de Vernon 
  • Mother:
  • Maud de Beaumont   
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  • Spouse Name:
  • Robert Courtenay
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  • Child:

  John de Courtenay (Ahnentafel No:1052 )

  • Notes: 

  • aka Mary de Reviers.

• Additional marriages for Mary de Vernon

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  • Spouse:
  • Peter de Preaux
  • Marriage Date:
  • ABT 1200

• Sources for Mary de Vernon

  • ¹ Mosley, Charles, editor, Burke's Peerage and Baronetage, 106th edition, Crans, Switzerland: Burke's Peerage (Genealogical Books) Ltd. (1999), 833.
  • ² Richardson, Douglas, Royal Ancestry: A Study in Colonial and Medieval Families, Salt Lake City, Utah: Douglas Richardson (2013), Vol. IV, p. 426.
  • 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), 479.
  • ⁴ 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.
  • ⁵ 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.