Jean De Perusse 
Jean De was born about 1070. Jean De's father is Louis De Perusse. His paternal grandfather was Robert De Perusse and his paternal grandmother is Jeanne D' Armagnac. He is an only child.General Notes
Chevalier; Viscount Perusse; Seigneur Saint Bonnet
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, A. Brabant {Genealogy of Chauvigny of Blot from "Chanoine Prevost Archiviste du Diocese de Troyes Union Typographique Domois Cote-d'Or 1925}.... http://geneastar.org.
They have a son named Charles De.