Nielsen Hayden genealogy
Family: Edmund de Lacy / Alice di Saluzzo (F846)
m. May 1247-
Male
Edmund de Lacy
Birth Abt 1230 Death 2 Jun 1258 Burial Stanlaw Abbey, Wirrall, Cheshire, England 
Marriage May 1247 [1, 2] Woodstock, Oxfordshire, England [1, 2] Father John de Lacy | F6218 Group Sheet Mother Margaret de Quincy | F6218 Group Sheet
Female
Alice di Saluzzo
Birth Death Between 4 Oct 1309 and 12 Jul 1311 Burial Father Manfredo III di Saluzzo | F1791 Group Sheet Mother Beatrice of Savoy | F1791 Group Sheet
Female
Margaret de Lacy
Birth Death Burial Church of the Friars Preachers, Pontefract, Yorkshire, England Spouse George de Cantelowe | F856 Marriage Aft 1 Sep 1254
Male
+ Henry Lacy
Birth Abt 1250 Death 5 Feb 1310 London, England Burial St. Paul's, London, England Spouse Margaret de Longespée | F9680 Marriage Abt 25 Dec 1256
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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.
- [S7287] Women in Thirteenth-Century Lincolnshire by Louise J. Wilkinson. Woodbridge, Suffolk: A Royal Historical Society Publication, published by the Boydell Press, 2007., month and year only.
- [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.