Ekaterina Obolenskaya (1786-1853) (1786–1835) Parents Mariya Volkonskaya Ivan Gagarin Children Sergey Obolensky Ivan Obolensky Andrey Obolensky Nikolay Obolensky Ekaterina Obolenskaya Pyotr Obolensky Siblings Sergey Gagarin Grigory Gagarin Mariya Gagarina Partners Sergey Obolensky