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Family name Helsen (Helsen
) , in the world, is quite a rare last name. The last name Helsen is characteristic of Belgium, where it is quite a common surname, Netherlands, where it is quite a rare surname, and Denmark, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Belgium, Netherlands, and the United States. Much less frequently, Helsen is the forename as well as the last name.