Cognomen Seulen (Seulen 
) , across the world, is a rare surname. The cognomen Seulen is characteristic of Western Europe, particularly Germany, where it is a rare surname, and Belgium, where it is a very rare surname. Very seldom, Seulen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seulen | Brazil, Belgium, Germany |
| cornelius seulen (1615-1688) (b. 1615) |
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| lucas seulen (b. 1693) |
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| joseph gottlieb seuler von seulen RO (b. 1727) |
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| jan gisbert verstolk van seulen (b. 1777) |
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franz seulen Belgian architect, BE (b. 1845) |
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| felix seulen (1900-1958), DE (b. 1900) |
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| lucas seulen |
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