Nielsen Hayden genealogy
William d'Avranches
- Abt 1087-
Name William d'Avranches Gender Male Death Abt 1087 [1] Person ID I3220 Ancestry of PNH, TNH, and others | Ancestor of AP, Ancestor of DDB, Ancestor of EK, Ancestor of LD, Ancestor of LDN, Ancestor of LMW, Ancestor of TNH, Ancestor of TSW, Ancestor of TWK Last Modified 6 Jan 2018
Father Guitmond d'Avranches Family ID F2237 Group Sheet | Family Chart
Family 
(Unknown) fitz Baldwin, b. of Dolton, Devon, England 
Children + 1. Robert d'Avranches Family ID F1309 Group Sheet | Family Chart Last Modified 20 Jun 2026
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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.