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