0
Sergei Lebedev was born in 1948.
Sergei Alekseyevich Kuznetsov was born on 1966-05-12.
Sergei Vasilyevich Lebedev died on 1934-05-01.
Sergei Vasilyevich Lebedev was born on 1874-07-25.
Sergei Voronin's birth name is Voronin, Sergei Alekseyevich.