Sofya Alexandrovna von Benckendorff (1825-1875) (1825–1875) Parents Elizaveta Andreyevna Donets-Zakharzhevska Alexander von Benckendorff Children Viktor Kochubey Aleksandr Demidov Siblings Anna Alexandrovna Benckendorff Mariya Volkonskaya Elena Pavlovna Bibikova Ekaterina Pavlovna Bibikova Partners Pavel Demidov Sergey Kochubey
