The daughter François Abraham Mouchard, Seigneur de la Garde (1712-1782), receiver-general of finances in Champagne, and his wife, Anne Louise Lazur (d.

She wrote poetry from her childhood onwards and, after separating from her husband, devoted herself to literature, became friends with literary figures such as Claude Joseph Dorat and Michel de Cubières-Palmézeaux.

Her salon became a choice social venue, and she became a member of the Académie des Arcades.

In 1787 she wrote and put on a five-act prose comedy entitled la Fausse inconstance, though it was not a success.

The Marquise de Créquy, in her Souvenirs, adjudged that Lebrun had very rudely and unjustly applied to her an old epigram of Pavillon about Charlotte-Rose de Caumont La Force: Eglé, belle et poète, a deux petits travers : Elle fait son visage et ne fait pas ses vers.On 6 March 1753, she married Claude de Beauharnais and their children were: