Isabelle De Poitiers 
Isabelle De was born about 1410. Isabelle De's father was Louis De Poitiers and her mother is Polissena Ruffo. Her paternal grandfather is Charles I De Poitiers and her paternal grandmother was Simone De Mery; her maternal grandparents are Niccolo Ruffo and Nm1 X. She had a half-brother and two half-sisters, named Charles II De, Marguerite De and Simonette De. She died after 1486.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).... http://geneastar.org.
"Ancestors of Valery Giscard d'Estaing", http://www.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.< 1228 d.1277
- b.~ 1242
- b.~ 1228
- b.~ 1270 d.BET 1339 AND 1340
- b.1220 d.12 Nov 1266
- b.~ 1250
- b.~ 1222 d.08 Mar 1279
- b.~ 1328
- b.~ 1198
- b.~ 1238 d.BET 1304 AND 1305
- b.~ 1214
- b.~ 1282 d.1360
- b.< 1228 d.1277
- b.~ 1242
- b.~ 1228
- b.~ 1372 d.>24 Jan 1428
- b.~ 1342 d.<14 Jul 1402
- b.~ 1410 d.> 1486
- b.~ 1270 d.> 1316
- b.~ 1290
- b.~ 1320
- b.~ 1290
- b.~ 1365
- b.~ 1328
- b.~ 1390
- b.~ 1368
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They had a daughter named Jeanne De.