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In all the world, デレン (Deren , デレン) is quite a rare gender-neutral first name. The first name デレン is characteristic of Western Asia, particularly Iraq, where it is quite a rare unisex name, Turkey, where it is a rare predominantly female, but very infrequently boy's name, and Israel, where it is a rare primarily boy's, but very infrequently female name. Measured by absolute frequency, it most frequently occurs in Turkey, Iraq, and Indonesia. Very seldom, デレン is the last name as well as the forename.
デレン is also a name for the fictitious and mythical characters: Deren Vetter Peter , the operatic character in the opera Die Verlobung bei der Laterne, Le mariage aux lanternes.