Isabeau De Bethune 
Isabeau De's father is Mathieu De Bethune. Her paternal grandfather was Guillaume IV De Bethune and her paternal grandmother is Marie De Roye. She is an only child.General Notes
SOURCES: LDS FHL Ancestral File # (familysearch.org)
"Ancestors/Descendants of Royal Lines" (Contributors: F. L. Jacquier (History of Charlemagne by Christian Settipani); L. Orlandini, 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), 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, A. Brabant (Genealogy of Chauvigny of Blot from "Chanoine Prevost Archiviste du Diocese de Troyes Union Typographique Domois Cote-d'Or 1925), Emmanuel Arminjon (E Levi-Provencal Histoire de l'Espagne Andalouse), Y. Gazagnes-Gazanhe, R. Sekulovich and J.P. de Palmas ("notes pierfit et iconographie Insecula", Tournemire), H de Riberolles (Base Tournemire), Franck Veillon; ,(Histoire Généalogique de la Maison de Hornes, Bruxelles 1848; Notice Historique Sur L'Ancien Comté de Hornes, Gand 1850; Europäische Stammtafeln, Marburg 1978); E.Driant / "La Maison de Damas" par Hubert Lamant, 1977 (Bibliothèque municipale d'Eaubonne)
........... 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.~ 1184 in Meulebeke, Flandre-Ouest, Belgium d.24 Aug 1243 in Lokeren, Flandre-Orientale, Belgium
- b.~ 1217 d.> 1247
- b.~ 1185
- b.~ 1240 d.~ 1279
- b.~ 1220
- b.< 1280 d.03 Apr 1340
- b.~ 1183 d.<Feb 1226
- b.~ 1215 d.02 Feb 1292
- b.~ 1195
- b.~ 1253 d.29 Oct 1280
- b.~ 1195 in Dammartin, Seine-et-Marne, France d.21 Sep 1239 in Abbeville, Somme, France
- b.~ 1220 in Dammartin, France d.15 Mar 1279 in Abbeville, France
- b.17 Sep 1199 in Aumale, Normandy d.Sep 1250 in Normandy
- b.~ 1160
- b.~ 1188
- b.~ 1165
- b.~ 1238
- b.~ 1200
- b.~ 1290
- b.~ 1245
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They had a son named Jean Blondel De.
