William De Windsor 
William De was born in 1132 in Bradenlove, Buckshire, England. William De's father was William Fitzwilliam De Windsor. His paternal grandfather was William Fitzwalter De Windsor and his paternal grandmother is Agnes De Valoines. He is an only child.General Notes
SOURCES: LDS FHL Ancestal File # (familysearch.org)
"Ancestors/Descendants of Royal Lines" (Contributors: Manuel Abranches de Soveral, Reynaud de Paysac, F.L. Jacquier <Genealogy of Lewis Carroll, Justin Swanstrom, The Royal Families of England Scotland & Wales by Burkes Peerage; Debrett's Peerage & Baronage; Table of descendants French Canadian Genealogical Society; Families of Monfort-sur-Risle & Bertrand de Bricquebec; The Dukes of Normandy, XXXXI, Paul Leportier, Claude Barret>, H.R. Moser <Burke Peerage>, L. Orlandini, O.Guionneau, L.B. de Rouge, E. Polti, A.Terlinden <Genealogy of the existing British Peerage, 1842>, L. Gustavsson, C. Cheneaux, E. Lodge, S. Bontron <Brian Tompsett>, R. Dewkinandan, H. de la Villarmois, C. Donadello; Scevole de Livonniere, H. de la Villarmois, I. Flatmoen)... http://geneastar.org.
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Ancestor Pedigree Chart
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*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)
- b.~ 0970 in Florence, Tuscany, Italy d.> 1006
- b.~ 1006 in Florence, Italy
- b.~ 1027 in Pembrokeshire, Wales d.> 1086
- b.1068 in Pembrokeshire, Wales d.~ 1130
- b.~ 0960 in Powys, Wales
- b.~ 1000 in Powys, Wales d.1073 in Killed in the battle of Mechain, Montgomeryshire, Wales
- b.~ 0965 in Deheubarth, Wales
- b.~ 1030 in Powys Castle, Wales
- b.~ 1100 d.~ 1160
- b.1072
- b.1132 in Bradenlove, Buckshire, England
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They have a son named William De.