George Dawe ?

Portrait of Count Pyotr Petrovich Konovnitsyn
1821

Portrait of Ilya Grigoryevich Yamnik
1828

Portrait of Prince Pyotr Mikhaylovich Volkonsky
1823

Portrait of Vasily Trifonovich Akentyev
1828

Portrait of the Dowager Empress Maria Fyodorovna in Mourning