Isabel de Mortimer

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ChartsAncestors of Adele La Force
Ancestors of Harriet Hanson Robinson
Isabel de Mortimer, daughter of Sir Roger de Mortimer, Knt. and Maud de Braose, married (1) John Fitz Alan, son of Sir John Fitz Alan, Knt. and Maud de Verdun, before 14 May 1260;1 she married (2) Ralph d'Arderne, before 14 February 1276;1 she married (3) Robert de Hastang, 2 September 1285. The ancestries of d'Arderne and Hastang are not traced here.2

Family 1

John Fitz Alan b. 14 Sep 1246, d. 18 Mar 1271/72

Family 2

Ralph d'Arderne d. aft. 4 Apr 1283

Family 3

Robert de Hastang d. aft. 7 Sep 1299
This person was last edited on4 Jun 2021


  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families, Five volumes (Salt Lake City, Utah: s.p., 2013), 2:597 (Fitz Alan 8), further cited as Richardson, Royal Ancestry.
  2. [S1947] Richardson, Royal Ancestry, 2:598 (Fitz Alan 8).
  3. [S1947] Richardson, Royal Ancestry, 2:597 (Fitz Alan 7).