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Family name Borner (เกิด , Borner , Bornert ) , in all the world, is quite a rare last name. The last name Borner is habitual in Western Europe, particularly Switzerland, where it is quite a common surname, Luxembourg, where it is quite a rare surname, and France. Measured by absolute frequency, it most frequently occurs in Western Europe, particularly Switzerland, Germany, and France. Much less frequently, Borner is the forename as well as the last name.