Nielsen Hayden genealogy
Family: John de Lacy / Margaret de Quincy (F6218)
m. Bef 21 Jun 1221-
Father | Male
John de Lacy
Born Abt 1192 of Pontefract, Yorkshire, England 
Died 22 Jul 1240 Buried Stanlaw Abbey, Wirrall, Cheshire, England 
Married Bef 21 Jun 1221 [1, 2] Father Roger de Lacy | F1568 Group Sheet Mother Maud de Clare | F1568 Group Sheet
Mother | Female
Margaret de Quincy
Born Bef 1217 Died Bef 30 Mar 1266 Hampstead, Middlesex, England 
Buried Church of the Hospitallers, Clerkenwell, London, England 
Other Spouse Walter Marshal | F5160 Married 6 Jan 1242 Father Robert de Quincy | F1598 Group Sheet Mother Hawise of Chester | F1598 Group Sheet
Child 1 | Female
+ Maud de Lacy
Born Died 1288-1289 Buried Spouse Richard de Clare | F2421 Married Abt 25 Jan 1238
Child 2 | Male
+ Edmund de Lacy
Born Abt 1230 Died 2 Jun 1258 Buried Stanlaw Abbey, Wirrall, Cheshire, England 
Spouse Alice di Saluzzo | F846 Married May 1247 Woodstock, Oxfordshire, England 
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Sources - [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.
- [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.