Nielsen Hayden genealogy
Robert de Lacy
- Bef 1129-
Name Robert de Lacy Birth of Pontefract, Yorkshire, England 
[1] Gender Male Death Bef 1129 [2] Person ID I3509 Ancestry of PNH, TNH, and others Last Modified 6 Jan 2018
Father Ilbert de Lacy d. Abt 1093, Pontefract, Yorkshire, England Mother Hawise Family ID F4094 Group Sheet | Family Chart
Family Maud d. Aft 1154 Children + 1. Aubrey de Lacy, b. of Pontefract, Yorkshire, England Family ID F1515 Group Sheet | Family Chart Last Modified 16 May 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.
- [S813] The Lacy Family in England and Normandy, 1066-1194 by W. E. Wightman. Oxford: The Clarendon Press, 1966.
- [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.