Nielsen Hayden genealogy
Family: William I Longespée / Ela of Salisbury (F842)
m. Bef Sep 1197-
Male
William I Longespée
Birth 1170 Death Abt 1225 Burial Salisbury Cathedral, Wiltshire, England 
Marriage Bef Sep 1197 [1, 2] Father Henry II, King of England | F2858 Group Sheet Mother Ida de Tony | F2858 Group Sheet
Female
Ela of Salisbury
Birth Abt 1191 Amesbury, Wiltshire, England Death 24 Aug 1261 Lacock, Wiltshire, England Burial 1261 Lacock Abbey, Lacock, Wiltshire, England Father William fitz Patrick | F2925 Group Sheet Mother Eleanor de Vitré | F2925 Group Sheet
Male
William Longespée
Birth Bef 12 May 1205 Death 7 Feb 1249 Mansourah, Egypt Burial Spouse Idoine de Camville | F2206 Marriage Aft Apr 1216
Female
Idonea de Longespée
Birth Death Aft 1266 Burial Spouse William de Beauchamp | F5347 Marriage Abt Jan 1220
Male
Stephen Longespée
Birth of King's Sutton, Northamptonshire, England Death Bef 25 Jun 1260 Burial Lacock Abbey, Lacock, Wiltshire, England Spouse Emeline de Ridelisford | F4600 Marriage Between 8 Feb 1243 and 16 Dec 1244
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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., "1198".
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.