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Family name Kljuchnikova (Ключникова , Kljuchnikova ) , in all the world, is a common cognomen. The cognomen Kljuchnikova is habitual in Russia, where it is quite a rare surname, Belarus, and Kazakhstan.
VARIANT | COUNTRY |
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Ключникова | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
Kljuchnikova | Belarus |