Cognomen Knopik (Knopik 
) , across the world, is quite a rare family name. The cognomen Knopik is characteristic of Poland, where it is quite a rare surname, Germany, where it is a rare surname, and Brazil. Not in comparison with a country's population, it most frequently occurs in Poland, Brazil, and the United States. Also, Knopik is the forename as well as the last name.
| valerie s knopik researcher |
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