Nielsen Hayden genealogy
Family: Robert de Neville / Mary Fitz Ranulph (F527)
m. Abt 1260-
Male
Robert de Neville
Birth Bef 1240 of Middleham, Yorkshire, England 
Death 6 Aug 1271 Burial Marriage Abt 1260 [1] Father Robert de Neville | F854 Group Sheet Mother (Unknown first wife of Robert de Neville) | F854 Group Sheet
Female
Mary Fitz Ranulph
Birth Death Bef 11 Apr 1320 Burial Coverham Abbey, Yorkshire, England Father Ralph fitz Ranulph | F2182 Group Sheet Mother Anastasia de Percy | F2182 Group Sheet
Male
+ Ranulph de Neville
Birth 18 Oct 1262 of Raby, Durham, England Death Aft 18 Apr 1331 Burial Coverham Abbey, Yorkshire, England Spouse Euphemia de Clavering | F4093 Marriage Bef 12 Mar 1281
-
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.