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Family name Эркюль (Hercule , Эркюль) , in the world, is a rare cognomen. The cognomen Эркюль is habitual in Haiti, where it is quite a rare surname, France, where it is a rare surname, and Romania. In absolute terms, it is the most numerous in Haiti, France, and the United States. Likewise, Эркюль is the forename as well as the last name.