The lady’s name is Varvara (in Russian Варвара). She was a wife of Nikolay Rimsky-Korsakov. Her husband was from rich aristocratic family. He was a VERY handsome man. They married when she was 16 or 17 and he was 20. This couple was mentioned in “Anna Karenina” by Leo Tolstoy. However, they divorced and Varvara left for France. Prince Obolensky wrote that she was known everywhere in France thanks to her beauty and charm. The French called her “La Venus tartar”. Varvara died at the age of 45. Her son Nikolay came back to Russia to his father and later married to the daughter of Natalia Pushkina-Lanskaya. .