In all the world, Kostka (Kostka 
, Костка 
) is a very rare epicene given name. Also, Kostka is the last name as well as the forename.
| bruder kostka DE (b. 1868) |
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| albrecht kostka z postupic Czech nobleman |
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| elzbieta kostka |
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| vit kostka chess player (b. 1998) |
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