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Cognomen Серк (Серк , Serk , Sierck ) , around the globe, is a rare surname. The cognomen Серк is habitual in Slovenia, where it is quite a rare surname, Estonia, and Germany, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Germany, the United States, and Slovenia. Much less frequently, Серк is the forename as well as the last name.
Калиев, Жунусов, Кульжибаев, Исмагулов, Сапарбаев, and Бикбулатов