Thierry III De Walcourt 
Thierry III De was born about 1225. Thierry III De's father was Gilles De Walcourt and his mother was Heluide Du Faing. His paternal grandfather was Thierry II De Walcourt and his paternal grandmother is Beatrix Von Looz. He was an only child. He died after 1276.General Notes
SOURCES: LDS FHL Ancestal 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... http://geneastar.org.
"Ancestors/Descendants of Marguerite d'Enghein" (m. Jean de Luxembourg) 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.~ 1110 d.~ 1148
- b.~ 1145 d.29 Jun 1206
- b.1080 in La Roche, En Arde, Luxembourg d.<05 Jun 1138
- b.~ 1120 in La Roche-en-Ardennes, Luxembourg, Belgium
- b.~ 1085
- b.~ 1170 d.<21 Jun 1237
- b.~ 1150
- b.~ 1185 d.> 1247
- b.~ 1055 d.1139
- b.~ 1082 d.1147
- b.1065 d.1122
- b.~ 1110 d.11 Aug 1171
- b.1055 in Mainz, Austria
- b.~ 1082
- b.1060 in Bliecastel, Pfalz, Bavaria d.1127
- b.~ 1150
- b.~ 1050
- b.~ 1085 d.~ 1142
- b.1054
- b.~ 1130 d.11 Aug 1171
- d.1101
- b.~ 1100 d.~ 1135
- b.~ 1081
- b.~ 1225 d.> 1276
- b.~ 1200 d.> 1269
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They had a son named Thierry IV De.