Her genealogical article is here.
From parismuseescollections.paris.fr-fr-musee-carnavalet-oeuvres-portrait-de-felicite-louise-de-frezals-1765-1854-nee-esmangard-de-beauval. Also posted to the Reign of Louis XVI Album here.
Dresses are simple, like this chemise à la reine, while coiffures are large requiring large and sometimes elaborate hats.
Keywords: 1785, Félicité Louise Esmengart de Beauval, Esmengart de Beauval family, Frézals de Bourfaud family, French, Lady-in-Waiting, Marie Antoinette, bouffant large curl coiffure, feathered ribboned hat, pouter pigeon bodice, modesty piece, vee neckline, bertha, bows, elbow length full sleeves, flared cuffs, waist sash, chemise à la reine