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Surname Küffner (Küffner ) , in all the world, is quite a rare cognomen. The last name Küffner is habitual in Western Europe, particularly Germany, where it is quite a rare surname.
Max, Roman, Rocco, Diana, Georg, Josef, Julia, Jörg, Tanja, Ellen, Edgar, Erich, Erwin, Helga, Heinz, Heike, Heiko, Horst, Frank, Fritz, Willi, Martin, Peter, Klaus, Kevin, Beate, Uwe, Anna, Karl, Paul, Rolf, Rudi, Gabi, Lisa, Jana, Elke, Marcel, Hans, Olaf, Otto, Maria, Marco, Sanne, Sarah, Sonja, Armin, Adolf, Bernd, Hajo, and Markus