Prince Oleg Konstantinovich of Russia died on 1914-10-12.
Georgi Rerberg died on July 28, 1999, in Moscow, Russia.
Georgi Arbatov died on October 1, 2010, in Moscow, Russia.
Vasily Konstantinovich died in 1308.
Dmitry Konstantinovich Belyaev died in 1985.
Alexander Konstantinovich Benckendorff died in 1917.
Mikhail Konstantinovich Clodt died in 1902.
Sergei Konstantinovich Gershelman died in 1910.
Konstantin Konstantinovich Saradzhev died in 1942.
Aleksei Konstantinovich Zagulyaev died in 2007.
Anatoly Konstantinovich Rozhdestvensky died in 1983.
Alexander Konstantinovich Abramov died in 1886.