Janko Konstantinov was born in 1926.
Nikolay Konstantinov was born in 1932.
Vitaly Konstantinov was born in 1949.
Ventseslav Konstantinov was born in 1940.
Vladimir Konstantinov was born on March 19, 1967.
Yegor Konstantinov was born on 1985-02-11.
Plamen Konstantinov was born on 1973-06-14.
Tihon Konstantinov was born on 1898-08-13.
Evgeni Konstantinov was born on February 5, 1923, in Varna, Bulgaria.
Janko Alexy was born in 1894.
Janko Pleterski was born in 1923.
Janko Kos was born in 1931.
Janko Kráľ was born in 1822.