Nielsen Hayden genealogy
Family: Waleran de Beaumont / Alice de Harcourt (F2387)
m. Abt 1196-
Father | Male
Waleran de Beaumont
Born Bef 1153 of Warwick, Warwickshire, England 
Died 1203 Buried Married Abt 1196 [1, 2, 3] Father Roger de Beaumont | F2469 Group Sheet Mother Gundred de Warenne | F2469 Group Sheet
Mother | Female
Alice de Harcourt
Born Died 1205 Buried Other Spouse John de Limesi | F1737 Married Father Robert de Harcourt | F677 Group Sheet Mother Isabel de Camville | F677 Group Sheet
Child 1 | Female
+ Alice de Beaumont
Born Abt 1197 of Warwick, Warwickshire, England 
Died Between 1246 and 1263 Buried Spouse William Mauduit | F4998 Married Bef 3 Mar 1216
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Sources - [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.
- [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.
- [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.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.