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Family name Yanushkyavichyus (Yanushkyavichyus ) , in all the world, is an extremely rare cognomen. The surname Yanushkyavichyus is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname.
VARIANT | COUNTRY |
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Yanushkyavichyus | Russia |
Янушкявичюс, and Янушкявічюс