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Family name Siben (Siben , 思本 , Сибень ) , in the world, is quite a rare last name. The cognomen Siben is habitual in Israel, where it is quite a common surname, Cameroon, where it is quite a rare surname, and Argentina, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Israel, India, and Argentina. Likewise, Siben is the forename as well as the last name.