Pyotr Obolensky 3 Jun 1743 - 15 May 1822 (1742–1822) Parents Aleksandr Obolensky Anna Miloslavskaya Children Alexander Petrovitch Obolensky Mariya Obolenskaya Vasily Petrovitch Obolensky Nikolay Obolensky Sergey Obolensky Varvara Petrovna Obolenskaya Andrey Obolensky Partners Yekaterina Vyazemskaya