Maria Arkadyevna Beck by Pimen Nikitich Orlov, 1839
Maria Arkadevna Beck, née Stolypina, by her second marriage her last name was Vyazemskaya. She was the wife of Ivan Alexandrovich Beck (1807-1842). They had two daughters, Maria Ivanovna Beck and Vera Ivanovna Beck, see my other post here.
source: Glory of Russian Painting, WikiCommons
