John Fitzwilliam

Copyright, Plagiarism, and Disclaimer

Copyright: The material on this website is protected by the copyright laws of the United States.

Plagiarism: Please give credit where credit is due and properly cite your source.

Disclaimer: Mistakes and errors are inevitable. Caveat emptor.

For more information, please see this page.
John Fitzwilliam, whose ancestry is unknown (or not traced here) died at Rouen, Normandy, France, in 1421.1

John married Margaret Clarrell, daughter of Thomas Clarrell and Matilda Montgomery.2


Margaret Clarrell


  1. [S950] Joseph Foster, Pedigrees of the County Families of Yorkshire, Two vols. (London: W. Wilfred Head, 1874), 1:2 (Gascoigne), further cited as Foster, Pedigrees of Yorkshire.
  2. [S950] Foster, Pedigrees of Yorkshire, 1:2 (Gascoigne), 1:1 (Clarell).
  3. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families, Five vols. (Salt Lake City, Utah: s.p., 2013), 4:514 (Ryther 14), further cited as Richardson, Royal Ancestry.
This person was last edited on3 Aug 2019