Nielsen Hayden genealogy
Family: Peter fitz Herbert / Alice fitz Robert (F4826)
m. Aft 28 Nov 1203-
Father | Male
Peter fitz Herbert
Born Bef 1183 of Brecknock, Breconshire, Wales 
Died Bef 6 Jun 1235 Buried Reading, Berkshire, England 
Married Aft 28 Nov 1203 [1, 2, 3, 4, 5] Father Herbert fitz Herbert | F1061 Group Sheet Mother Lucy of Hereford | F1061 Group Sheet
Mother | Female
Alice fitz Robert
Born of Warkworth, Northumberland, England 
Died Bef 12 Apr 1225 Buried Father Robert fitz Roger | F6134 Group Sheet Mother Margaret de Chesney | F6134 Group Sheet
Child 1 | Female
+ Lucy fitz Peter
Born of Blaen Llyfni, Cathedine, Brecconshire, Wales 
Died Aft 29 Sep 1266 Buried Spouse William I de Ros | F3385 Married Bef 24 Jan 1234
Child 2 | Male
+ Reynold fitz Peter
Born of Blaen Llyfni, Cathedine, Brecconshire, Wales 
Died 4 May 1286 Buried Spouse Alice de Stanford | F8178 Married Bef Sep 1249 Spouse Joan de Vivonne | F2073 Married Bef 3 Jan 1279
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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., year only.
- [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.
- [S1016] Medieval English Ancestors of Robert Abell by Carl Boyer III. Santa Clarita, California, 2001.
- [S1526] The Ancestry of Dorothea Poyntz, Wife of Reverend John Owsley, Generations 1-15, Fourth Preliminary Edition, by Ronny O. Bodine and Bro. Thomas Spalding, Jr. 2013.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.