Nielsen Hayden genealogy
Family: Robert of Meulan / Amice de Gael (F4526)
m. Aft Nov 1120-
Male
Robert of Meulan
Birth 1104 Meulan, Île-de-France, France 
Death 5 Apr 1168 Burial Leicester Abbey, Leicester, Leicestershire, England Marriage Aft Nov 1120 [1, 2, 3, 4] Father Robert of Meulan | F1788 Group Sheet Mother Isabel de Vermandois | F1788 Group Sheet
Female
Amice de Gael
Birth Death Nuneaton, Warwickshire, England Burial Father Ralph II de Gael | F4696 Group Sheet Mother
Male
+ Robert de Breteuil
Birth of Leicester, Leicestershire, England Death 1190 Burial Durazzo, Greece Spouse Pernel de Grandmesnil | F3729 Marriage 1155
Female
+ Isabel of Leicester
Birth Death Aft 1190 Burial Spouse Simon II de Senlis | F2473 Marriage Bef 1138
Female
+ Hawise of Leicester
Birth Death 24 Apr 1197 Burial Spouse William fitz Robert | F5507 Marriage Abt 1150
Female
+ Margaret of Leicester
Birth Abt 1125 Death Aft 1185 Burial Spouse Ralph de Tony | F6386 Marriage Aft 1155
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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.
- [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.
- [S76] The Oxford Dictionary of National Biography. Oxford University Press, 2004-ongoing., "probably in 1121".
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.