Surname Duncker (敦克 
, Duncker 
, دنكر) , globally, is quite a rare last name. The last name Duncker is habitual in Belize, where it is quite a common surname, Finland, where it is quite a rare surname, and Germany, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Germany, the United States, and Netherlands. Very seldom, Duncker is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 敦克 | China |
| Duncker | Finland, Netherlands, South Africa, Germany, United States |
| andreas duncker der ältere German publisher, DE (b. 1600) |
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| andreas duncker German publisher (1613-1657), DE (b. 1613) |
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| nikolaus duncker (b. 1606) |
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| petrus duncker (b. 1637) |
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| simon andreas duncker (b. 1640) |
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balthasar anton duncker German artist (1746-1807), DE (b. 1746) |
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| johann konrad duncker (b. 1712) |
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| johann philipp duncker (b. 1713) |
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joakim zakarias duncker Swedish soldier (1774-1809), SE (b. 1774) |
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johann friedrich leopold duncker DE (b. 1770) |
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carl friedrich wilhelm duncker German publisher, DE (b. 1781) |
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| christian wilhelm duncker (b. 1749) |
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maximilian duncker German historian and politician (1811-1886), DE (b. 1811) |
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alexander duncker German publisher and bookseller, DE (b. 1813) |
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| paul heinrich ludwig duncker DE (b. 1754) |
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