Cognomen Heltzen (Heltzen 
) , all over the world, is a rare family name. The surname Heltzen is characteristic of Norway, where it is a rare surname, Denmark, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Heltzen | Norway, Denmark, United States |
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christian ernst heltzen (1745-1825) (b. 1745) |
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| poul heltzen (1711-1772) (b. 1711) |
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| michael heltzen mining engineer (1712-1770), NO (b. 1712) |
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eugenius sophus ernst heltzen DK (b. 1818) |
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| paul frederik michael heltzen Norwegian amtmann and politician, NO (b. 1779) |
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| iver ancher heltzen Norwegian priest and naturalist, NO (b. 1785) |
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| oscar l. heltzen American lawyer and politician (b. 1882) |
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