Family name Brejcha (Brejcha 
) , all around the world, is quite a rare last name. The last name Brejcha is characteristic of Czechia, where it is quite a common surname, Slovakia, where it is a rare surname, and Austria. Measured by absolute frequency, it most frequently occurs in Czechia, the United States, and Germany.
| VARIANT | COUNTRY |
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| Brejcha | Austria, Germany, Sweden, Czechia, United States |
| jan brejcha (b. 1800) |
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| josef brejcha CZ (b. 1821) |
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| antonín brejcha CZ (b. 1851) |
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| jan brejcha Czech rail official, governor of Subcarpathian Ruthenia (1867-1924), CZ (b. 1867) |
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| rudolf brejcha CZ (b. 1865) |
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| jaroslav brejcha CZ (b. 1875) |
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| josef brejcha CZ (b. 1893) |
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| benedikt brejcha (b. 1900) |
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| josef brejcha CZ (b. 1907) |
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| vladimír brejcha CZ (b. 1908) |
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| lubor brejcha entomologist (born 1919) (b. 1919) |
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šimon brejcha CZ (b. 1963) |
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| antonín brejcha CZ (b. 1915) |
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| václav brejcha CZ (b. 1915) |
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| joža brejcha CZ (b. 1920) |
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