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Cognomen Косумян (Косумян ) , in all the world, is a rare family name. The last name Косумян is habitual in Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Much less frequently, Косумян is the forename as well as the last name.
VARIANT | COUNTRY |
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Косумян | Ukraine, Russia |