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In the entire world, Gudbrandur (Gudbrandur ) is an extremely rare unknown gender forename.
| VARIANT | COUNTRY |
|---|---|
| Gudbrandur | Iceland |
Gudbrand, and Guðbrandur
Gimmel, Bogason, Gudgeirsson, Jonsson, Sverrisson, Einarsson, Sigurdsson, and Brynjulfsson