Konstantin Tretiakoff died in 1958.
Konstantin Tretiakoff was born on 1892-12-26.
Konstantin Halafoff died in 1969.
Konstantin Gorbatov died in 1945.
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.
Konstantin Chkheidze died in 1974.
Konstantin Velichkov died in 1907.
Konstantin Vaginov died in 1934.
Konstantin Pobedonostsev died in 1907.