Sir Ralph de Cromwell, Knt.

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ChartsAncestors of Harriet Hanson Robinson
Ancestors of Wilford Ervie Billings
Sir Ralph de Cromwell, Knt., son of Ralph de Cromwell, died before 18 September 1289.1,2

Ralph married (1) Mazere Marmion, daughter of Philip Marmion and Joan Kilpek;3 he married (2), as her 2nd husband, Margaret de Somery, daughter of Sir Roger de Somery, Knt. and Nichole d'Aubeney, before 26 January 1270/71.1,2

Family 1

Mazere Marmion d. bef. 26 Jan 1270/71

Family 2

Margaret de Somery d. aft. 25 Jun 1293
  • Sir Ralph de Cromwell, Knt.1 b. aft. 1271, d. bef. 2 Mar 1298/99
  • Sir John de Cromwell, Knt., Lord Cromwell1 b. aft. 1271, d. bef. 8 Oct 1335
  • Maud de Cromwell1 b. aft. 1271
This person was last edited on21 Jul 2021


  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families (Five vols., Salt Lake City, Utah: s.p., 2013), 5:5 (Stafford 4), further cited as Richardson, Royal Ancestry.
  2. [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 vols., London, England: The St. Catherine Press, 1910-1940), 2:1, further cited as CP.
  3. [S2054] CP, 3:551n (Cromwell).
  4. [S1947] Richardson, Royal Ancestry, 2:128 (Champernown 10).