Nielsen Hayden genealogy
Family: Robert de Mortimer / Margaret de Say (F114)
m. Bef Jun 1211-
Father | Male
Robert de Mortimer
Born of Richard's Castle, Herefordshire, England Died Bef 3 Jul 1219 Buried Married Bef Jun 1211 [1, 2, 3] Father Robert de Mortimer | F1321 Group Sheet Mother
Mother | Female
Margaret de Say
Born of Richard's Castle, Herefordshire, England Died Bef 29 Sep 1242 Buried Other Spouse William de Stuteville | F10266 Married Father Hugh de Say | F2077 Group Sheet Mother Mabel Marmion | F2077 Group Sheet
Child 1 | Male
+ Hugh de Mortimer
Born Abt 1219 of Richard's Castle, Herefordshire, England Died 18 Nov 1274 Buried
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Sources - [S142] Royal Ancestry by Douglas Richardson. Kimball G. Everingham, editor. 2013.
- [S789] The Wallop Family and Their Ancestry by Vernon James Watney. Oxford, 1928., year only.
- [S128] The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant ed. Vicary Gibbs, H. A. Doubleday, Duncan Warrand, Howard de Walden, Geoffrey H. White and R. S. Lea. 2nd edition. 14 volumes (1-13, but volume 12 spanned two books), London, The St. Catherine Press, 1910-1959. Volume 14, "Addenda & Corrigenda," ed. Peter W. Hammond, Gloucestershire, Sutton Publishing, 1998., "in 1210".
- [S142] Royal Ancestry by Douglas Richardson. Kimball G. Everingham, editor. 2013.