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Cognomen Джефф (Jeff , Geoff , Jef ) , around the world, is a common surname. The cognomen Джефф is characteristic of Brunei, where it is quite a common surname, Luxembourg, and Macao. In absolute terms, it most frequently occurs in Kenya, Indonesia, and Nigeria. More frequently, Джефф is the forename as well as the last name.
VARIANT | COUNTRY |
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Jef, Jeff, Geoff | Australia, Canada, United States, Kenya, United Kingdom |
Джефф | Ukraine, Russia |