Jean I De Crequy 
Jean I De was born about 1290. Jean I De's father is Baudouin IV De Crequy and his mother is Aelis De Heilly. His paternal grandfather was Philippe De Crequy and his paternal grandmother is Alix De Picquigny. He is an only child.General Notes
SOURCES: LDS FHL Ancestal 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........... 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.~ 1210 d.1255
- b.< 1256
- b.~ 1115 in Amiens, France d.1178
- b.1145 d.1206
- b.~ 1120
- b.1175 d.1224
- b.1145
- b.~ 1215
- b.~ 1112 d.1147
- b.~ 1142 in Montreuil, Flandres, France d.30 Jun 1191 in Saint-Jean d'Acre, Palestine
- b.~ 1124 in Saint Pol, France
- b.~ 1182
- b.~ 1126 in St. Pol., Nord, Nord-Pas-de-Calais, France d.1164
- b.< 1164
- b.~ 1144 in Champagne, France
- b.~ 1290
- b.~ 1260
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They have a son named Jean II De.