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Family name Fyrst (Fyrst , Фирст , Først) , in the world, is a rare cognomen. The cognomen Fyrst is habitual in Denmark, where it is a rare surname, Kazakhstan, and Greece, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Kazakhstan, Denmark, and Russia. Very seldom, Fyrst is the forename as well as the last name.