Louise Marie Madeleine Fontaine
Louise de Fontaine was born in Paris, in the parish of Saint-Roch, on 28 October 1706. Her baptism act was as follows:
Louise Marie Madeleine Fontaine
Madame Dupin passed her estate to her step-greatgrandson, Count René-François Vallet de Villeneuve and his wife Apolline de Guibert. Chenonceaux remained in the family until 1864. The Marquisate of Blanc went to René's younger brother Auguste-Louis Vallet de Villeneuve, Treasurer of the City of Paris and husband of Laure-Antoinette de Ségur, a daughter of Count Louis-Philippe de Ségur.