Sergei Sidelyov's birth name is Sidelyov, Sergei Ilyich.
Sergei Sidelyov was born on December 21, 1906, in Moscow, Russia.
Sergei Sidelyov died on October 4, 1962, in Leningrad, Soviet Union [now St. Petersburg, Russia].
Sergei Sage's birth name is Sergei Luzginov.
Sergei Chigrakov's birth name is Sergei Chigrakov.
Sergei Kozlovsky's birth name is Kozlovsky, Sergei Vasilyevich.
Sergei Krupennikov's birth name is Sergei Ivanovitch Krupennikov.
Sergei Krikalev's birth name is Krikalev, Sergei Konstantinovich.
Sergei Kudimov's birth name is Sergei Vladimirovitch Kudimov.
Sergei Kurilov's birth name is Kurilov, Sergei Ivanovich.
Sergei Kuryokhin's birth name is Kuryokhin, Sergei Anatolyevich.
Sergei Machilsky's birth name is Machilsky, Sergei Aleksandrovich.
Sergei Linkov's birth name is Linkov, Sergei Yakovlevich.