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Last name Siewior (Siewior ) , all around the world, is a rare family name. The last name Siewior is habitual in Poland, where it is a rare surname, Germany, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Poland, Germany, and the United States. More prevalently, Siewior is the forename as well as the last name.
VARIANT | COUNTRY |
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Siewior | United Kingdom, Poland, United States, Germany |