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Cognomen Janchuk (Янчук , Janchuk ) , in the entire world, is a common family name. The cognomen Janchuk is habitual in Eastern Europe, particularly Ukraine, where it is quite a common surname, Belarus, and Russia, where it is quite a rare surname.
VARIANT | COUNTRY |
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Янчук | Ukraine, Kazakhstan, Bulgaria, Belarus, Russia |
Janchuk | Ukraine, United States, India, Argentina |