Guillaume IV Crispin 
Guillaume IV was born about 1175. Guillaume IV's father was Guillaume III Crispin and his mother is Eve D' Harcourt. His paternal grandparents are Goscelin Crispin and Isabelle Du Plessis; his maternal grandfather was Guillaume D'+ Harcourt and his maternal grandmother is Agnes Hue D'+ Amboise. 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. 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.~ 0992 in Brienne/Brionne, Eure, Normandy, France d.1040
- b.< 1040
- b.~ 1013 in Eu, Seine Inferieure, Normandy, France
- b.~ 1075
- b.~ 1110
- b.~ 1145 d.1223
- b.~ 1115
- b.~ 1175
- b.~ 0991 in Harcourt, Brienne, Eure, Normandy, France d.~ 1024
- b.< 1024 in Normandy, France d.> 1100
- b.~ 1005 in Normandy, France
- b.~ 1078 in Normandy, France d. in Leicestershire, England
- b.~ 1010 in Argouges, Manche, Normandy, France
- b.~ 1040 in Normandy, France
- b.~ 1115 in Stanton Harcourt, Oxfordshire, England d. in Shenton, Leicestershire, England
- b.~ 1030 in Carrick, Argyllshire, England d.BET 1080 AND 1098
- b.~ 1048 in Brienze, Normandy, France d.1087 in Bramber, Sussex, England
- b.~ 1033
- b.< 1087 in Bramber, Sussex, England
- b.~ 1017 in Normandy, France d.1047 in Val es Dunes
- b.< 1048 in Barnstaple, Devonshire, England d.1087
- b.< 1017 in Normandy, France d.1070
- b.~ 1150
- b.~ 1030 in Amboise, Indre-et-Loire, Touraine/Centre, France d.01 Jun 1074 in Rochecorbon, Indre-et=Loire, Touraine/Centre, France
- b.<Mar 1075
- b.~ 1038 in Fougeres, Ile-dt-Vilaine, Bretagne (Brittany), France
- b.~ 1095 in Amboise, Indre-et-Loire, Touraine/Centre, France d.24 Aug 1153
- b.~ 1050
- b.~ 1080
- b.~ 1043 d.1087
- b.~ 1115 in Shenton, Leicestershire, England
- b.< 0991 d.~ 1055
- b.< 1055 d.> 1101
- b.~ 1020
- b.~ 1095
- b.~ 1070
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They have a son named Guillaume V.