Marie De Montesquiou Fezensac 
Marie De Montesquiou was born on August 16th, 1834 in Paris, France. She died at the age of 50 on December 25th, 1884 in Brussels, Belgium.General Notes
SOURCES: LDS FHL Ancestal File # (familysearch.org)
"Ancestors/Descendants of Royal Lines" (Contributors: Manuel Abranches de Soveral, Reynaud de Paysac, F.L. 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, Paul Leportier, Claude Barret; Irish Catholic Encyclopedia>, H.R. Moser <Burke Peerage>, L. Orlandini, O.Guionneau, L.B. de Rouge, E. Polti, 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, G. Kepklian)... http://geneastar.org.
‌Marie De Montesquiou and Joseph De Riquet De were married in a religious ceremony on June 16th, 1857. They had a son named Pierre De Riquet De.
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Children
Pierre De Riquet De Caraman-Chimay
Pierre De Riquet De was born on August 9th, 1862 in Paris, France. He died at the age of 51 on October 12th, 1913 in Brussels, Belgium.