Guillaume I De Crispin 
Guillaume I De was born before 1040. Guillaume I De's father was Gilbert De+ Crispin and his mother is Constance D'+ Eu. His paternal grandfather was Geoffroy Fitzrichard De+ Brienne and his paternal grandmother is Hawise De+ Guines; his maternal grandfather was Guillaume I D'+ Eu and his maternal grandmother is Beatrix Le+ Goz. He had two brothers and a sister, named Baldwin De+, Richard De Crispin De+ and Anne De Crispin De. He is the youngest of the four children.General Notes
"Ancestors/Descendants of Royal Lines" (Contributors: Manuel Abranches de Soveral, Reynaud de Paysac, F.L. J P de Palmas <Aurejac et Tournemire; Frankish line; The Complete Peerage>, 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, , A. Brabant <"Dynastie Montmorency, Michel d'Herbigny>, Paul Leportier, Claude Barret>, H.R. Moser <Burke Peerage>, L. Orlandini, O.Guionneau, L.B. de Rouge, E. Polti, N. Danican <Britain's Royal Families; Buthlaw, Succession of Strathclyde, the Armorial 1961-62> 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, P. Ract Madoux <History of Morhange; Leon Maujean; Annuaire de Lorraine, 1926; La Galissonniere: Elections d'Arques et Rouen>), Jean de Villoutreys <ref: Georges Poull>E. Wilkerson-Theaux <Laura Little>, O. Auffray... 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.~ 0870 in Maer, Nord-Trondelag, Norway d.0931 in Notre Dame, Rouen, Normandy, Neustri
- b.0893 in Normandy, France d.17 DEC 942 in Murdered
- b.~ 0875 in Evreux, Nuestria d.0912
- b.28 AUG 933 in Fecamp, France d.20 NOV 996 in Fecamp, France
- b.~ 0877 d.0902
- b.< 0903 in Brittany, France
- b.0953 in Brienne, Normandy d.~ 1015
- b.~ 0933
- b.~ 0992 in Brienne/Brionne, Eure, Normandy, France d.1040
- b.~ 0905 in Guisnes, Picardy d.0965
- b.~ 0965 in Castle Guines, Artois/Pas-de-Calais, France
- b.~ 0866 in Flanders, Nord, France d.10 SEP 918
- b.~ 0891 in Flanders, Belgium d.27 MAR 964 in Flanders, Belgium
- b.~ 0877 in Wessex, England d.7 JUN 929
- b.~ 0932 in Flanders
- b.~ 0885 in Vermandois, Neustria d.23 FEB 943 in St. Quentin
- b.0915 in Vermandois, Neustria d.10 OCT 960 in Bruges, Aquitaine
- b.~ 0888 in Vermandois, Neustria d.> 0931
- b.< 1040
- b.~ 0870 in Maer, Nord-Trondelag, Norway d.0931 in Notre Dame, Rouen, Normandy, Neustri
- b.0893 in Normandy, France d.17 DEC 942 in Murdered
- b.~ 0875 in Evreux, Nuestria d.0912
- b.28 AUG 933 in Fecamp, France d.20 NOV 996 in Fecamp, France
- b.~ 0877 d.0902
- b.< 0903 in Brittany, France
- b.~ 0978 in Heimois, Orne, Normandy, France d.1054
- b.~ 0891 in Jellinge, Vejle, Denmark
- b.~ 0920 d.1002
- b.~ 0900
- b.~ 0945 in Normandy, France d.1031 in France
- b.~ 0922 in Uppsala, Sweden
- b.~ 1013 in Eu, Seine Inferieure, Normandy, France
- b.~ 0885 in Maer, Nord-Trondelag, Normandy
- b.~ 0933 in Tillieres, Normandy, France d.0978
- b.~ 0910 in Tillieres, Normandy, France
- b.~ 0953 in Normandy, France
- b.~ 0911
- b.~ 0934 in Tillieres, Normandy, France
- b.~ 0996 in Normandy, France
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They have a son named Guillaume II.