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Cognomen Ерлинг (Erling , Yerling , Erlyng ) , in all the world, is quite a common surname. The last name Ерлинг is characteristic of Nicaragua, where it is quite a common surname, Honduras, where it is quite a rare surname, and Sweden. Not in comparison with a country's population, it is the most numerous in Nicaragua, Germany, and the United States. Likewise, Ерлинг is the forename as well as the last name.