Ancestry of
Roger Seymour

Petronella de Grantmesnil

View famous kin of Petronella de Grantmesnil

• • 9th Great-grandmother of Roger Seymour — 12th Generation
  • Ahnentafel No:
  • 2287 
  • Father:
  • Hugh de Grantmesnil 
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  • Spouse Name:
  • Robert de Beaumont
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  • Child:

  Margaret de Beaumont (Ahnentafel No:1143 )

• Sources for Petronella de Grantmesnil

  • 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), 530.
  • ² Roberts, Gary Boyd, comp., Ancestors of American Presidents, 2009 Edition, Boston: New England Historic Genealogical Society (2009), 405.
  • ³ Wikipedia, "Robert de Beaumont, 3rd Earl of Leicester", _3rd_Earl_of_Leicester, (accessed 03/01/2010).
  • ⁴ Wurts, John S., Magna Charta, New York: Brookfield Publishing Company (1942), 112, 186, 1653.