0
Konstantin Khudyakov's birth name is Konstantin Pavlovich Khudyakov.
Konstantin Kryukov's birth name is Konstantin Vitalyevich Kryukov.
Konstantin Kudiyevsky's birth name is Kudiyevsky, Konstantin Ignatyevich.
Konstantin Kuznetsov's birth name is Kuznetsov, Konstantin Andreyevich.
Konstantin Lopushanskiy's birth name is Lopushansky, Konstantin Sergeyevich.