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Cognomen Janczukowicz (Janczukowicz ) , around the globe, is a rare last name. The family name Janczukowicz is habitual in Poland, where it is a rare surname, Germany, where it is a very rare surname, and France, where it is an extremely rare surname. In absolute terms, the name is most common in Poland, Germany, and Brazil. More prevalently, Janczukowicz is the forename as well as the last name.
VARIANT | COUNTRY |
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Janczukowicz | Brazil, France, Poland, Germany |