Last name Jersak (Jersak 
) , in the world, is a rare cognomen. The cognomen Jersak is characteristic of Czechia, where it is quite a rare surname, Poland, where it is a rare surname, and Canada. Also, Jersak is the forename as well as the last name.
| józef jersak (b. 1929) |
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| tobias jersak German historian, DE (b. 1972) |
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| brad jersak (b. 1964) |
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| konrad jersak researcher |
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| samuel jersak DE (b. 1975) |
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