Konstantin Gey died in 1939.
Konstantin Gropper was born on September 28, 1982, in Biberach an der Ri, Baden-Wrttemberg, West Germany [now Germany].
Josef Konstantin Beer died in 1933.
Konstantin G. Mostras died in 1965.
Konstantin Listov died on September 6, 1983, in USSR.
Konstantin Vanshenkin died on December 15, 2012, in Moscow, Russia.
Konstantin Gropper was born on September 28, 1982, in Biberach an der Ri, Baden-Wrttemberg, West Germany [now Germany].
Steven Gey died in 2011.
George Otto Gey died in 1970.
Konstantin Shilovsky died in 1893.
Konstantin Urbetis died in 1992.
Konstantin Petrichenko died in 1995.
Konstantin Kudiyevsky died in 1992.
Konstantin Yurenev died in 1938.
Konstantin Vygodchikov died in 1941.
Konstantin Vaginov died in 1934.
Konstantin Kavelin died in 1885.
Konstantin Mostras died in 1965.