Surname Gumzej (Gumzej 
) , in the world, is a rare last name. The family name Gumzej is habitual in Slovenia, where it is quite a rare surname, Croatia, where it is a rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gumzej | Slovenia, Germany, France, Croatia |
| jakov gumzej (b. 1936) |
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| josip gumzej (b. 1940) |
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| špela gumzej SI (b. 1979) |
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| roman gumzej SI |
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| gvido gumzej SI |
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| gorazd ivan gumzej SI |
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