Nielsen Hayden genealogy
Family: William de Warenne / Joan de Vere (F1664)
m. 1284-
Father | Male
William de Warenne
Born of Medmenham, Buckinghamshire, England 
Died 15 Dec 1286 Croydon, Surrey, England Buried Lewes Priory, Sussex, England Married 1284 [1, 2] Father John de Warenne | F6377 Group Sheet Mother Alice de Lusignan | F6377 Group Sheet
Mother | Female
Joan de Vere
Born Died Abt 23 Nov 1293 Buried Lewes Priory, Sussex, England Father Robert de Vere | F1697 Group Sheet Mother Alice de Sanford | F1697 Group Sheet
Child 1 | Female
+ Alice de Warenne
Born Died Between 1330 and 23 May 1338 Buried Spouse Edmund Fitz Alan | F1617 Married Aft 30 Dec 1304
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Sources - [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.
- [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.