Cognomen Graichen (Graichen 
) , in the world, is quite a rare family name. The surname Graichen is habitual in Germany, where it is quite a rare surname, Switzerland, where it is a rare surname, and Finland. Measured by absolute frequency, it most frequently occurs in Germany, the United States, and Brazil.
| VARIANT | COUNTRY |
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| Graichen | Brazil, Switzerland, Australia, United States, Germany |
| brigitte graichen badminton player, DE (b. 1904) |
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| hans-georg graichen German tax advisor (1919-2008), DE (b. 1919) |
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henry graichen German politician, DE (b. 1976) |
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| gisela graichen German writer, DE (b. 1944) |
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| ulf graichen basketball player (1965-) (b. 1965) |
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| uwe graichen researcher ORCID ID = 0000-0003-2144-4682 |
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| uwe graichen Dr. rer. nat. Albert-Ludwigs-Universität Freiburg im Breisgau 2005 |
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| daniel angelo sganzerla graichen Brazilian carcinologist, BR |
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| lisa graichen researcher |
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| kurt graichen Ph.D. Akademie der Wissenschaften der DDR 1978 |
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| knut graichen Dr.-Ing. Universität Stuttgart 2006 |
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| patrick graichen DE (b. 1972) |
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| ingeborg graichen |
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| antonia graichen (b. 1990) |
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| gina graichen DE |
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