Mathieu De Montmorency 
Mathieu De was born about 1360. Mathieu De's father was Mathieu De Montmorency and his mother is Aiglantine De Vendome. His paternal grandfather was Jean I De Montmorency and his paternal grandmother is Jeanne De Calletot. He was an only child. He died about 1414.General Notes
SOURCES: LDS FHL Ancestal File # (familysearch.org)
"Ancestors/Descendants of Royal Lines" (Contributors: 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>, L. Orlandini, 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.
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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.~ 1205 d.01 Jan 1244
- b.~ 1225 d.1270
- b.~ 1205
- b.~ 1264 d.13 Oct 1304
- b.~ 1178 d.BET 1245 AND 1246
- b.~ 1226
- b.1195 d.1250
- b.~ 1292 d.Jun 1325
- b.~ 1198 d.20 Sep 1247
- b.<Jun 1248 d.> 1286
- b.~ 1200
- b.~ 1270
- b.~ 1250 d.~ 1300
- b.~ 1320 d.29 Jun 1360
- b.~ 1292
- b.~ 1360 d.~ 1414
- b.~ 1325
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They had a son named Charles De.