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Family name Рейф (Reif , Rejf , Reyf ) , in the world, is a common cognomen. The cognomen Рейф is characteristic of Curacao, where it is a common surname, Austria, where it is quite a common surname, and Germany. Measured by absolute frequency, it most frequently occurs in Germany, the United States, and Austria. Much less frequently, Рейф is the forename as well as the last name.