Semyon Semyonov died in 1986.
Semyon Semyonov was born in 1911.
Yulian Semyonov died on September 5, 1993.
Nikolay Semyonov died on 1986-09-25.
Grigory Semyonov died on 1946-08-30.
Vladimir Semyonovich Semyonov died in 1992.
Sergey Terentyevich Semyonov died on 1922-12-03.
Andrey Semyonov-Tyan-Shansky died in 1942.
Semyon Aranovich died in 1995.
Semyon Shejnin died in 1994.
Semyon Ushakov died in 1976.
Semyon Shchedrin died in 1804.
Semyon Rudniev died in 1943.