Konstantin Yefimov died on February 10, 1989, in Moscow, Russian SFSR, USSR [now Russia].
Konstantin Zhostov died on 1916-08-30.
Konstantin Yefimov's birth name is Yefimov, Konstantin Nikolayevich.
Konstantin Gey died in 1939.
Konstantin G. Mostras died in 1965.
Josef Konstantin Beer died in 1933.
Konstantin Listov died on September 6, 1983, in USSR.
Konstantin Yefimov's birth name is Yefimov, Konstantin Nikolayevich.
Konstantin Yefimov was born on October 1, 1910, in Odessa, Kherson Governorate, Russian Empire [now Ukraine].
Vladimir Yefimov's birth name is Vladimir Georgiyevich Yefimov.
Igor Yefimov was born in 1937.
Konstantin Halafoff died in 1969.
Konstantin Gorbatov died in 1945.
Konstantin Tretiakoff died in 1958.
Konstantin Aksakov died in 1860.
Konstantin Vasilyev died in 1976.
Konstantin Chebotaryov died in 1974.
Konstantin Igumnov died in 1948.
Konstantin Mostras died in 1965.