gogmsite
Her French-language Wikipedia article is here. Her son Anatole married Mathilde Bonaparte.
French style completely invades the Russian aristocracy posted to Paris in this early 1800s portrait of Baroness Demidov.
Keywords: Lefèvre, Stroganov family, French, straight coiffure, trapezoidal neckline, modesty piece, lace, quarter length upper puffed sleeves, slashed sleeves, waist band, Empire waistline, close skirt, earrings, wrap