Nielsen Hayden genealogy
Family: William de Willoughby / Alice Beke (F8568)
m. Between 1250 and 1260-
Male
William de Willoughby
Birth Death Between Sep 1290 and 29 Mar 1300 Burial Marriage Between 1250 and 1260 [1] Father Robert de Willoughby | F236 Group Sheet Mother
Male
+ Robert de Willoughby
Birth Between 1250 and 1260 Death Bef 25 Mar 1317 Burial Spouse Margaret Deincourt | F8567 Marriage Bef 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.
- [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.