Cognomen Plenk (Blank 
, Plenk , Пленк) , across the world, is a common surname. The surname Plenk is characteristic of Germany, where it is quite a common surname, Italy, and Switzerland. Not in comparison with a country's population, it is the most numerous in Germany, the United States, and Italy. Much less frequently, Plenk is the forename as well as the last name.
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| Blank, Plenk | Germany, Indonesia, Italy, United States, Brazil |
| otto plenk holocaust victim, b. 1884-10-24, AT (b. 1884) |
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| josef plenk German university professor, DE (b. 1886) |
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| andreas plenk Austrian physician, AT (b. 1892) |
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| edith plenk holocaust victim, b. 1893-09-30, AT (b. 1893) |
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| hanns plenk (b. 1887) |
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| hans plenk German luger, DE (b. 1938) |
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| markus plenk German politician, DE (b. 1969) |
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| william j. plenk marching band director |
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| barbara plenk Peerage person ID=479788 |
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| astrid plenk botanist |
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| walter plenk Peerage person ID=479787 |
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| kristina plenk researcher |
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| astrid plenk DE (b. 1976) |
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Mr, Karen, Pablo, Peter, Ruben, Darko, Diego, Doris, Georg, Livia, Lukas, Josef, Jorge, Julia, Tanja, Tommi, Ester, Helga, Horst, Frank, Franz, Martin, Karin, Bruce, Benno, Carla, Ms, Max, Kam, Tim, Eli, Wim, Marc, Andy, Anna, Lara, Marcos, Lisa, Tony, Nina, Elke, Hans, Olga, Maria, Marco, Anton, Anita, Adolf, Luca, and Marcus