Nikolay Konstantinov was born in 1932.
Ventseslav Konstantinov was born in 1940.
Janko Konstantinov was born in 1926.
Vitaly Konstantinov was born in 1949.
Vladimir Konstantinov was born on March 19, 1967.
Plamen Konstantinov was born on 1973-06-14.
Tihon Konstantinov was born on 1898-08-13.
Yegor Konstantinov was born on 1985-02-11.
Evgeni Konstantinov was born on February 5, 1923, in Varna, Bulgaria.
Aleko Konstantinov was born on January 1, 1863, in Svishtov, Bulgaria.
Hristo Konstantinov was born on July 27, 1897, in Knezha, Bulgaria.
Irinei Konstantinov was born on March 23, 1949, in Sofia, Bulgaria.
Vladimir Vyacheslavovich Konstantinov was born on 1985-04-22.