Margaret Deincourt

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ChartsAncestors of Harriet Hanson Robinson
Margaret Deincourt, daughter of Sir Edmund Deincourt, Knt., 1st Lord Deincourt, died before 25 March 1317.1

Margaret married Robert de Willoughby, 1st Lord Willoughby, son of William de Willoughby and Alice Beke, about 1303.1


Robert de Willoughby, 1st Lord Willoughby b. bt 1250 - 1260, d. bef. 25 Mar 1317
This person was last edited on29 Jun 2021


  1. [S2054] George Edward Cokayne, The Complete Peerage: Or a History of the House of Lords and All Its Members From the Earliest Times: Revised and Much Enlarged, 13 in 14 volumes (London, England: The St. Catherine Press, 1910-1940), 12B:658 (Willoughby), further cited as CP.
  2. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families, Five volumes (Salt Lake City, Utah: s.p., 2013), 4:15 (Mallory 10.i), further cited as Richardson, Royal Ancestry.