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Last name Siwko (Siwko ) , globally, is a rare cognomen. The surname Siwko is habitual in Poland, where it is quite a rare surname, the United States, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Also, Siwko is the forename as well as the last name.
VARIANT | COUNTRY |
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Siwko | United Kingdom, Poland, United States |