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Family name 鲁尔 (Rull , 鲁尔 , Roer ) , throughout the world, is quite a common surname. The cognomen 鲁尔 is habitual in Estonia, where it is quite a common surname, Norway, where it is quite a rare surname, and Philippines. In absolute terms, it most frequently occurs in Philippines, France, and Spain. Very seldom, 鲁尔 is the forename as well as the last name.