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Cognomen Kirshteyn (Kirshteyn , Кирштейн
) , all over the world, is a very rare family name. The last name Kirshteyn is characteristic of Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kirshteyn | United States |
| Кирштейн | Russia |