Nielsen Hayden genealogy
Family: Miles of Gloucester / Sibyl de Neufmarché (F2097)
m. 1121-
Male
Miles of Gloucester
Birth Abt 1100 Death 24 Dec 1143 Burial Llanthony Priory, outside Gloucester, Gloucestershire, England 
Marriage 1121 [1, 2, 3] Father Walter fitz Roger de Pîtres | F4528 Group Sheet Mother
Female
Sibyl de Neufmarché
Birth of Brecon, Breconshire, Wales Death Burial Llanthony Priory, outside Gloucester, Gloucestershire, England Father Bernard de Neufmarché | F649 Group Sheet Mother Nest ferch Osbern | F649 Group Sheet
Female
+ Margaret of Hereford
Birth Death Bef 29 Sep 1197 Burial Llanthony Priory, outside Gloucester, Gloucestershire, England Spouse Humphrey de Bohun | F3902 Marriage
Female
+ Bertha of Hereford
Birth of Brecknock, Breconshire, Wales Death Burial Spouse William de Briouze | F6214 Marriage Abt 1150
Female
+ Lucy of Hereford
Birth Death Aft 1219 Burial Llanthony Priory, outside Gloucester, Gloucestershire, England Spouse Herbert fitz Herbert | F1061 Marriage
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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., "about Apr. or May 1121".
- [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.
- [S4384] George Eldridge, Hydrographer, and Eliza Jane His Wife: Their Ancestors and Their Descendants by Henry James Young. Carlisle, Pennsylvania: 1982.
- [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., "about Apr. or May 1121".