Isabelle De Mercoeur 
Isabelle De was born about 1242. Isabelle De's father was Beraud VIII Of Mercoeur and her mother is Beatrix De Bourbon. Her paternal grandfather was Beraud VII De Mercoeur and her paternal grandmother is Alix De Bourgogne; her maternal grandfather was Archambaud VIII De+ Bourbon and her maternal grandmother is Beatrix De+ Montlucon. She had two sisters named Marqueze De and Alix De. She was the second oldest of the three children. She died in 1285.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.~ 1125 d.1183
- b.< 1170 d.~ 1208
- b.> 1069 d.1136
- b.~ 1100 d.~ 1182
- b.< 1076
- b.~ 1130 d.< 1170
- b.~ 1083 d.20 Aug 1147
- b.~ 1110
- b.~ 1085
- b.< 1209 d.> 1290
- b.1085 in Of, Bourgogne, France d.1143
- b.~ 1120 in Of, Bourgogne, France d.27 Sep 1162
- b.~ 1092 in Of, Mayenne, France d.1162 in Beaune, France
- b.> 1147 in Bourgogne, France d.25 Aug 1192 in Tyrus, Jerusalem
- b.~ 1078 in Blois, Loir-et-Cher, Orleanais/Centre, France d.08 Jan 1152 in Lagny-sur-Marne, Seine-et-Marne, Ile-de-France, France
- b.~ 1128 in Of, Champagne, France d.17 Aug 1190
- b.~ 1105 in Carthinia (Karnten), Austria d.13 Dec 1160
- b.~ 1185
- b.< 1088 d.1139
- b.~ 1110 d.1176
- b.~ 1090 d.1158
- b.~ 1152 d.1200
- b.~ 1090 d.1147
- b.~ 1123 d.~ 1195
- b.~ 1102 in Bavaria d.22 Feb 1130
- b.~ 1242 d.1285
- b.~ 1090 d.1151
- b.~ 1124 d.< 1162
- b.~ 1105 d.1165
- b.BET 1155 AND 1160 d.1216
- b.1060
- b.~ 1124
- b.<27 May 1085 in Sussex, England; Alternate POB given.
- b.> 1196 d.23 Aug 1242 in Cognat, Allier, France
- b.~ 1100 d.1171
- b.29 Jun 1140 d.26 Jul 1169
- b.~ 1103
- b.~ 1165 d.> 1227
- b.~ 1120 in Of, Bourgogne, France d.27 Sep 1162
- b.~ 1146 d.~ 1209
- b.~ 1128 in Of, Champagne, France d.17 Aug 1190
- b.> 1215
- b.~ 1188
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They had a son named Jean IV De.
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Children
Jean IV De Pierrepont
Jean IV De was born about 1260. He died on August 18th, 1304 in Mons en Pevele.