Surname Dziadek (Dziadek 
) , around the world, is quite a rare family name. The cognomen Dziadek is habitual in Poland, where it is quite a rare surname, Germany, where it is a rare surname, and Austria. Not in comparison with a country's population, it most frequently occurs in Poland, Germany, and the United States. Also, Dziadek is the forename as well as the last name.
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| Dziadek | Germany, France, Canada, United States, Poland |
| otto dziadek German architect, active in Jena (1905-1981), DE (b. 1905) |
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| alojzy dziadek Polish Righteous Among the Nations, PL (b. 1908) |
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| zofia dziadek Polish Righteous Among the Nations, PL (b. 1923) |
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ostap dziadek Ukrainian actor |
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| ryszard dziadek PL (b. 1928) |
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| ignacy dziadek PL (b. 1931) |
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| ryszard dziadek Polish association football player (1950-2018), PL (b. 1950) |
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| jean-pierre dziadek French politician, FR (b. 1952) |
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| andrzej dziadek Polish composer, PL (b. 1957) |
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| adam dziadek Polish historian, PL (b. 1965) |
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| jarosław dziadek Polish molecular biologist and microbiologist, PL (b. 1966) |
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| magdalena dziadek (b. 1961) |
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| bartosz dziadek researcher (ORCID 0000-0001-5368-0159) |
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| michał dziadek researcher |
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| bożena dziadek Polish microbiologist, molecular biologist and researcher, PL |
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