Nielsen Hayden genealogy
Family: William II de Warenne / Isabel de Vermandois (F4959)
m. Aft 5 Jun 1118-
Father | Male
William II de Warenne
Born Abt 1071 Died 11 May 1138 Buried Lewes Priory, Sussex, England 
Married Aft 5 Jun 1118 [1, 2, 3] Father William de Warenne | F2676 Group Sheet Mother Gundred of Flanders | F2676 Group Sheet
Mother | Female
Isabel de Vermandois
Born Died Bef Jun 1147 Buried Other Spouse Robert of Meulan | F1788 Married 1096 Father Hugues le Grand | F2751 Group Sheet Mother Adèle de Vermandois | F2751 Group Sheet
Child 1 | Female
+ Gundred de Warenne
Born Died Aft 1156 Buried Spouse Roger de Beaumont | F2469 Married Bef 1130 Spouse William de Lancaster | F2102 Married Aft 1153
Child 2 | Female
+ Ada de Warenne
Born Died 1178 Buried Spouse Henry of Scotland | F1025 Married Aft 9 Apr 1139
Child 3 | Male
+ William III de Warenne
Born Abt 1119 Warwick, Warwickshire, England 
Died Abt 7 Jan 1148 Laodicea, Anatolia 
Buried Spouse Ela of Ponthieu | F2692 Married
Child 4 | Male
+ Reynold de Warenne
Born Abt 1126 of Attlebridge, Norfolk, England 
Died Aft 1179 Lewes Priory, Sussex, England 
Buried Spouse Alice de Wormegay | F2044 Married 1167
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Sources - [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.
- [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.
- [S1016] Medieval English Ancestors of Robert Abell by Carl Boyer III. Santa Clarita, California, 2001., year only.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.