Family name Twardoch (Twardoch 
) , all around the world, is a rare surname. The surname Twardoch is habitual in Poland, where it is a rare surname, Germany, and Spain, where it is a very rare surname. More frequently, Twardoch is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Twardoch | United Kingdom, United States, Spain, Poland, Germany |
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szczepan twardoch Silesian writer (born 1979), PL (b. 1979) |
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| ryszard twardoch (b. 1932) |
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| antoni twardoch PL (b. 1943) |
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| piotr twardoch PL (b. 1947) |
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| dariusz twardoch Polish painter, PL (b. 1957) |
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| agata twardoch Polish architect, urban planner, PL (b. 1980) |
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