Last name Helfferich (Helfferich 
) , across the world, is a rare family name. The surname Helfferich is characteristic of Netherlands, where it is a rare surname, Denmark, and Belgium. In absolute terms, this name is the most popular in Netherlands, Germany, and the United States.
| VARIANT | COUNTRY |
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| Helfferich | Netherlands, Belgium, United States, Denmark, Germany |
| nikolaus ernst helfferich DE (b. 1604) |
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johann jakob helfferich German jurist (1692-1750), DE (b. 1692) |
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| johann georg helfferich (b. 1655) |
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| louysa sibylla helfferich DE (b. 1694) |
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max helfferich DE (b. 1828) |
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| karl friedrich immanuel helfferich (b. 1808) |
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franz helfferich Dutch painter (1871-1941), NL (b. 1871) |
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karl helfferich German diplomat (1872-1924), DE (b. 1872) |
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| adolf helfferich DE (b. 1813) |
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| friedrich helfferich DE (b. 1845) |
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| andré helfferich (b. 1859) |
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| emil helfferich German merchant, DE (b. 1878) |
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| philipp helfferich (b. 1874) |
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| august helfferich DE (b. 1876) |
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| wilhelm helfferich (b. 1882) |
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