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Cognomen Rudniak (Rudniak ) , in the world, is a rare family name. The surname Rudniak is characteristic of Poland, where it is a rare surname, Denmark, where it is a very rare surname, and Brazil. Likewise, Rudniak is the forename as well as the last name.
VARIANT | COUNTRY |
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Rudniak | Brazil, United States, Poland, France, Denmark |