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Cognomen Jux (Jux , Jox , Jooks ) , in the world, is quite a rare surname. The cognomen Jux is habitual in Germany, where it is quite a rare surname, Sudan, where it is a rare surname, and Slovakia. Not in comparison with a country's population, it is the most numerous in Germany, Sudan, and Indonesia. Very seldom, Jux is the forename as well as the last name.