Ancestry of
C. W. Post

Founder of Post Cereals

William de Ros

View famous kin of William de Ros

• • 15th Great-grandfather of C. W. Post — 18th Generation
  • Ahnentafel No:
  • 206582 
  • Father:
  • William de Ros 
  • Mother:
  • Maude de Vaux   
  • Birth Date:
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  • Birth Location:
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  • Christening Date:
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  • Christening Location:
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  • Death Date:
  • ABT 1 Aug 1359 
  • Death Location:
  • Brittany, France 
  • Burial Date:
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  • Burial Location:
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  • Spouse Name:
  • Margery de Badlesmere
  • Marriage Date:
  • BEF 25 Nov 1326 
  • Marriage Location:
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  • Children:
  
  

  Thomas de Ros

  Maud de Roos (Ahnentafel No:103291 )

  Elizabeth de Roos

  • Notes: 

  • 2nd Lord Ros of Helmsley

    Sir William de Ros's surname is also seen as Roos.

• Sources for William de Ros

  • ¹ Richardson, Douglas, Royal Ancestry: A Study in Colonial and Medieval Families, Salt Lake City, Utah: Douglas Richardson (2013), Vol. 2, p. 91.
  • ² Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States (2 vols.), Baltimore: Genealogical Publishing Co. (2008), 433, 435, 437.
  • ³ Taylor, Rev. R. V., "Ribston and the Knights Templar", The Yorkshire Archaeological Journal, Volume 7 (1882), 433.
  • ⁴ 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), 1.
  • ⁵ Wikipedia, "William de Ros, 3rd Baron de Ros", _3rd_Baron_de_Ros, (accessed 02/23/2010).
  • ⁶ Wurts, John S., Magna Charta, New York: Brookfield Publishing Company (1942), 1647.