Cognomen Žert (Žert 
) , in all the world, is a very rare last name. The cognomen Žert is characteristic of Czechia, where it is a rare surname, and Croatia, where it is a very rare surname.
| alois žert CZ (b. 1858) |
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| jaroslav žert CZ (b. 1915) |
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| petr žert CZ (b. 1934) |
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