Family name Felsenburg (Felsenburg 
) , worldwide, is a very rare last name. The family name Felsenburg is characteristic of Austria, where it is a rare surname, Israel, and France, where it is a very rare surname. Not in comparison with a country's population, the name is most common in the United States, Austria, and Israel.
| VARIANT | COUNTRY |
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| Felsenburg | France, Israel, United States, Austria |
| walter felsenburg holocaust victim, b. 1894-01-29, CZ (b. 1894) |
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| walter felsenburg American journalist, AT (b. 1904) |
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| claire felsenburg Austrian author, AT (b. 1911) |
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| gertrud felsenburg Austrian-born psychologist, AT (b. 1912) |
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| stephanie felsenburg AT (b. 1902) |
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