Last name Ploetz (Ploetz 
) , across the world, is quite a rare family name. The cognomen Ploetz is characteristic of Germany, where it is quite a rare surname, Latvia, and the United States, where it is a rare surname. Measured by absolute frequency, the name is most common in Germany, the United States, and Poland. Very seldom, Ploetz is the forename as well as the last name.
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| Ploetz | Germany, Latvia, Poland, United States, Australia |
| christian friedrich wilhelm von ploetz Prussian lieutenant general and commander of Szczecin, PL (b. 1745) |
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| henrik ploetz German-Danish miniature painter (1747-1830), DE (b. 1747) |
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| hans hendrik ploetz Danish artist (b. 1748) |
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| franz heinrich christian von ploetz (b. 1741) |
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| august ferdinand von ploetz (b. 1782) |
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berthold von ploetz German politician (1844-1898), DE (b. 1844) |
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| julius wilhelm ferdinand von ploetz Prussian lieutenant general, PL (b. 1801) |
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| albert von ploetz German politician, PL (b. 1803) |
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alfred ploetz German physician, PL (b. 1860) |
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| albert von ploetz (b. 1809) |
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| karl ploetz German writer (1819-1881), DE (b. 1819) |
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| eugen sigismund ploetz (b. 1811) |
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| wilhelm von ploetz Prussian lieutenant general, DE (b. 1825) |
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| hermann von ploetz (b. 1816) |
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| rudolf von ploetz DE (b. 1825) |
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