Cognomen Gromnicki (Gromnicki 
) , all over the world, is a rare last name. The last name Gromnicki is habitual in Poland, where it is a rare surname, France, where it is a very rare surname, and Argentina. Not in comparison with a country's population, it most frequently occurs in Poland, the United States, and Brazil. Also, Gromnicki is the forename as well as the last name.
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| Gromnicki | Germany, Poland, Brazil, United States, France |
Громницький, and Громніцький
| jan tadeusz gromnicki (b. 1775) |
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stanisław gromnicki Roman Catholic priest (1843-1921), UA (b. 1843) |
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jan duklan gromnicki UA (b. 1860) |
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jan gromnicki UA (b. 1872) |
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| stefan maria gromnicki PL (b. 1900) |
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| zygmunt gromnicki Officer of the Polish Army (1911-1994), PL (b. 1911) |
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| jan gromnicki (born 1929) (b. 1929) |
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| bolesław gromnicki actor (1935-2017), PL (b. 1935) |
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| witold gromnicki (born 1962) (b. 1962) |
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| eva-maria gromnicki (born 1964) (b. 1964) |
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| jerzy gromnicki (born 1968) (b. 1968) |
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