Jean I De Walcourt 
Jean I De was born about 1325. Jean I De's father was Thierry V De Walcourt and his mother is Agnes De Warfusee. His paternal grandparents are Thierry IV De Walcourt and Mathilde von Blankenheim. He had a brother named Wery De. He was the older of the two children. He died in 1365.General Notes
SOURCES: LDS FHL Ancestral File # (familysearch.org)
WEB:
"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.~ 1170 d.<21 Jun 1237
- b.~ 1185 d.> 1247
- b.~ 1150
- b.~ 1225 d.> 1276
- b.~ 1200 d.> 1269
- b.~ 1265
- b.~ 1195
- b.~ 1232
- b.~ 1164 in Roeulx, Walloon Region, Belgium d.< 1224
- b.~ 1202
- b.~ 1186 in Tournai, Walloon Region, Belgium
- b.~ 1300 d.1374
- b.~ 1225 d.> 1275
- b.~ 1250 d.>10 Jul 1309
- b.~ 1180 d.1237
- b.~ 1230 d.> 1258
- b.~ 1185 d.> 1259
- b.~ 1272
- b.1175 d.02 Jul 1226
- b.1223 d.<29 Dec 1303
- b.~ 1176
- b.~ 1252 d.> 1308
- b.~ 1214 d.24 Mar 1245
- b.~ 1232 d.1304
- b.~ 1214
- b.~ 1325 d.1365
- b.~ 1305
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They had two sons named Jean II De and Rasse De.