Nielsen Hayden genealogy
Family: William Longespée / Idoine de Camville (F2206)
m. Aft Apr 1216-
Father | Male
William Longespée
Born Bef 12 May 1205 Died 7 Feb 1249 Mansourah, Egypt 
Buried Married Aft Apr 1216 [1, 2, 3] Father William I Longespée | F842 Group Sheet Mother Ela of Salisbury | F842 Group Sheet
Mother | Female
Idoine de Camville
Born Bef 1206 Died Between 1 Jan 1251 and 21 Sep 1251 Buried Father Richard de Camville | F3613 Group Sheet Mother Eustache Basset | F3613 Group Sheet
Child 1 | Female
+ Ela Longespée
Born Died Bef 22 Nov 1299 Buried Spouse James de Aldithley | F2204 Married Bef 12 Jun 1244
Child 2 | Male
+ William Longespée
Born of Amesbury, Wiltshire, England 
Died Between 23 Dec 1256 and 3 Jan 1257 Buried Spouse Maud de Clifford | F9681 Married
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Sources - [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.
- [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.
- [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.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.