Sergey Kochubey Russian statesman (1820–1880) Parents Viktor Kochubey Mariya Kochubey Children Viktor Kochubey Siblings Mikhail Kochubey Vasiliy Viktorovich Kochubey Lev Kochubey Nataliya Viktorovna Stroganova Partners Sofya Alexandrovna von Benckendorff
