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Surname Janiewicz (Janiewicz
) , worldwide, is a very rare family name. The last name Janiewicz is characteristic of Poland, where it is a rare surname, Argentina, where it is a very rare surname, and Peru. Measured by absolute frequency, it most frequently occurs in Poland, Argentina, and the United States. More prevalently, Janiewicz is the forename as well as the last name.
VARIANT | COUNTRY |
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Janiewicz | United States, Poland, Argentina, Canada, Peru |