Andrei Semyonov
(m)
1989- 
Notable Athletes (soccer)
Mikhail Semyonov
(m)
1933-2006 
Olympic Medalists 1956; 1960 basketball (silver)
Nikolay Semyonov
(m)
1896-1986 
Nobel Prize Winners 1956 (chemistry)
Notable Scientists and Inventors
Vladimir Semyonov
(m)
1938-2016 
Olympic Medalists 1960; 1964; 1968 water polo (silver/bronze)