Portrait of Count Jakov Karlovich Sievers (1818-1865) and Countess Vera Mikhaylovna 1818-1865, 1843. Artist: Alexeyev, N.M. (active First Half of 19th cen.)
Portrait of Count Jakov Karlovich Sievers (1818-1865) and Countess Vera Mikhaylovna 1818-1865, 1843. Found in the collection of the State Tretyakov Gallery, Moscow.