Surname Dettmer (Dettmer 
) , all around the world, is quite a common cognomen. The family name Dettmer is habitual in Germany, where it is quite a rare surname, the United States, where it is a rare surname, and Austria. In absolute terms, the name is most common in Germany, the United States, and Brazil. Very seldom, Dettmer is the forename as well as the last name.
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| Dettmer | United Kingdom, South Africa, Brazil, Germany, United States |
| wilhelm dettmer German singer and opera singer (1808-1876), DE (b. 1808) |
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| carl heinrich dettmer German educator and politician (1811-1879), DE (b. 1811) |
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| john diedrich dettmer (b. 1823) |
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| friedrich dettmer German singer and opera singer (1835-1880), DE (b. 1835) |
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| hermann dettmer German classical philologist, DE (b. 1846) |
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| marie dettmer (b. 1837) |
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| karoline wilhelmine dettmer German politician (1867-1959), DE (b. 1867) |
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| wilhelm dettmer DE (b. 1860) |
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| hermann dettmer DE (b. 1867) |
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| heinrich dettmer (b. 1873) |
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bob dettmer United States Army officer, US (b. 1951) |
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| karl dettmer (b. 1902) |
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| aloysius dettmer Roman Catholic clergyman (b. 1915) |
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| dettmer löns (b. 1906) |
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| helmut dettmer DE (b. 1920) |
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