Complex sentence: She exhibited from 1781, producing a large number of portraits, of which the best known are those of Mesdames Adelaide and Victoire, Madame Vincent surrounded by her pupils, Mlle.
Split into simpler sentences: She exhibited from 1781, producing a large number of portraits. Among her works the best known are those of Mesdames Adelaide and Victoire, Madame Vincent surrounded by her pupils, Mlle.