Surname Kosswig (Kosswig 
) , all around the world, is a very rare last name. The surname Kosswig is habitual in Switzerland, where it is a rare surname, Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| katharina kosswig DE (b. 1603) |
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| gallus kosswig DE (b. 1653) |
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| curt kosswig German Zoologist who worked in Germany and Turkey, DE (b. 1903) |
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| brigitte kosswig (b. 1943) |
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