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Surname Jef (Jef , ジェフ , Джефф , along with others...) , in the entire world, is quite a rare last name. The cognomen Jef is habitual in Brunei, where it is quite a rare surname, Belgium, and Bahrain, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Indonesia, Belgium, and Saudi Arabia. More frequently, Jef is the forename as well as the last name.
Ri, Harris, Fisher, Wilson, Mertens, Stevens, Pauwels, Peeters, Deckers, Dierckx, Lemmens, Janssen, Johnson, Hermans, Willems, Wellens, Wouters, Goossens, Janssens, Verheyen, Williams, Hendrickx, Jacobs, Vermeulen, Jansen, Santos, Rey, Tan, Fry, Maes, Cruz, Klak, Jeff, Thys, Frey, Smith, Smits, Smets, Aerts, Claes, Brown, Patat, Daems, Jones, Jefri, Hardy, Morgan, Luyckx, and Michielsen