Ivan Sergeyevich Obolensky American businessman (1925–2019) Parents Ava Alice Muriel Astor Serge Obolensky Children Ivan Ivanovich Obolensky David Ivanovich Obolensky Marina Ivanovna Obolensky Sergei Ivanovich Obolensky Siblings Sylvia Guirey Romana von Hofmannsthal Alice Harding Partners Mary Elizabeth Morris Claire McGinnis
