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Cognomen Korniltsev (Korniltsev
, Корнильцев
) , in the world, is a rare family name. The cognomen Korniltsev is characteristic of Estonia, where it is a rare surname, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Korniltsev | Estonia, Russia |
| Корнильцев | Kazakhstan, Kyrgyzstan, Russia, Ukraine |
Корнилтцев, and Корнільцев