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Cognomen Kassin (Kassin
, Касин
, Кассин
) , in the world, is quite a rare family name. The family name Kassin is characteristic of Ivory Coast, where it is a rare surname, Benin, and Estonia. Not in comparison with a country's population, it most frequently occurs in Russia, the United States, and Colombia. Very seldom, Kassin is the forename as well as the last name.