Genevieve De Gontaut-Biron 
General Notes
SOURCES: "Ancestors/Descendants of Royal Lines" (Contributors: Manuel Abranches de Soveral, Reynaud de Paysac, H.R. Moser <Burke Peerage>), O.Guionneau, L.B. de Rouge, E. Polti, A.Terlinden <Genealogy of the existing British Peerage, 1842> E. Lodge, P. Ract Madoux, H. de Riberolles <Remacle>) http://www.geneastar.org.
They had a son named Antoine VII De.
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Children
Antoine VII De Gramont
Antoine VII De was born on April 19th, 1722. He died at the age of 78 on April 17th, 1801.