Nielsen Hayden genealogy
Family: Thomas de Berkeley / Joan de Ferrers (F4196)
m. 1267-
Father | Male
Thomas de Berkeley
Born of Berkeley, Gloucestershire, England 
Died 23 Jul 1321 Berkeley, Gloucestershire, England 
Buried Abbey Church of St. Augustine, Bristol, Gloucestershire, England 
Married 1267 [1, 2] Father Maurice de Berkeley | F3864 Group Sheet Mother Isabel fitz Richard | F3864 Group Sheet
Mother | Female
Joan de Ferrers
Born Died 19 Mar 1310 Buried Abbey Church of St. Augustine, Bristol, Gloucestershire, England 
Father William de Ferrers | F6338 Group Sheet Mother Margaret de Quincy | F6338 Group Sheet
Child 1 | Male
+ Maurice de Berkeley
Born Between 1271 and 1281 of Berkeley, Gloucestershire, England 
Died 21 May 1326 Wallingford Castle, Oxfordshire, England 
Buried Abbey Church of St. Augustine, Bristol, Gloucestershire, England 
Spouse Eve la Zouche | F10532 Married
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Sources - [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.
- [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.