Nielsen Hayden genealogy
Family: Simon I de Senlis / Maud of Northumberland (F6027)
m. Bef 1091-
Father | Male
Simon I de Senlis
Born Died Abt 1111 La Charite-sur-Loire, Nievre, France 
Buried Married Bef 1091 [1, 2, 3] Father Landri de Senlis | F927 Group Sheet Mother Ermengarde | F927 Group Sheet
Mother | Female
Maud of Northumberland
Born Abt 1072 Died 1130 Buried Scone, Perthshire, Scotland 
Other Spouse David I, King of Scotland | F5533 Married Bef Jul 1113 Father Waltheof | F2414 Group Sheet Mother Judith of Lens | F2414 Group Sheet
Child 1 | Female
+ Maud de Senlis
Born Died Aft 1158 Buried Spouse Robert fitz Richard | F2688 Married 1112 Spouse Saher I de Quincy | F1267 Married Aft 1136
Child 3 | Male
+ Simon II de Senlis
Born Abt 1103 Died Aug 1153 Buried St. Andrew's, Fife, Scotland 
Spouse Isabel of Leicester | F2473 Married Bef 1138
-
Sources - [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013., "in or before 1090".
- [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., "abt. 1090".
- [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., "perhaps as early as 1090".
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013., "in or before 1090".