Cognomen Gelz (Gelz 
) , all over the world, is a rare family name. The surname Gelz is characteristic of Luxembourg, where it is quite a rare surname, Germany, where it is a rare surname, and Canada, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Canada. Very seldom, Gelz is the forename as well as the last name.
| andreas gelz DE (b. 1964) |
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| johanna gelz German association football player, DE (b. 1998) |
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