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:
Louis-Marcelin de Fontanes
Born in Niort (Deux-Sèvres), he belonged to a noble Protestant family of Languedoc which had been reduced to poverty by the revocation of the edict of Nantes. His father and grandfather remained Protestant, but he was himself brought up as a Catholic. His parents died in 1774–1775, and in 1777 Fontanes went to Paris, where he found a friend in the dramatist Jean-François Ducis.