Nielsen Hayden genealogy
Robert de Willoughby
- 1258-
Name Robert de Willoughby Gender Male Death Between 3 Feb 1257 and 21 Feb 1258 [1] Person ID I1312 Ancestry of PNH, TNH, and others | Ancestor of DDB, Ancestor of JTS, Ancestor of LD, Ancestor of TSW, Ancestor of TWK Last Modified 30 Apr 2018
Father William de Willoughby, b. of Sloothby in Willoughby in the Marsh, Lincolnshire, England 
d. Between 1225 and 1227 Mother Maud de Fulletby Family ID F8569 Group Sheet | Family Chart
Children + 1. William de Willoughby d. Between Sep 1290 and 29 Mar 1300 Family ID F236 Group Sheet | Family Chart Last Modified 30 Apr 2018
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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.