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Around the world, Detlev (Detlev , Детлев ) is a common masculine given name. The first name Detlev is habitual in Western Europe, particularly Germany, where it is quite a common boy's name, Austria, where it is a rare male name, and Belgium. Not in comparison with a country's population, it is the most numerous in Germany, the United States, and Austria.
Koch, Schultz, Schmidt, Schmitz, Schwarz, Behrens, Krüger, Köhler, Richter, Lehmann, Lindner, Nitsche, Neumann, Fischer, Schubert, Schäfer, Günther, Hartmann, Hoffmann, Schröder, Schneider, Friedrich, Schulze, Müller, Mueller, Werner, Otto, Will, Wolf, Meier, Meyer, Beyer, Braun, Klein, Peter, Rothe, Schumacher, Lange, Schulz, Scholz, Brandt, Kesten, Krause, König, Peters, Ludwig, Thiele, Wagner, Weber, and Zimmermann