Family name Castex (Castex 
, Кастекс 
) , in the world, is quite a rare cognomen. The cognomen Castex is characteristic of France, where it is quite a rare surname, Argentina, and Chile, where it is a rare surname. Very seldom, Castex is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Castex | Chile, United States, Argentina, France, Brazil |
| Кастекс | Ukraine |
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jean-jacques castex French artist, FR (b. 1731) |
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bertrand pierre castex French politician and officer, FR (b. 1771) |
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| alejo castex Argentine politician and judge (1766-1841), AR (b. 1766) |
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| pierre castex FR (b. 1760) |
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andré castex French physician, FR (b. 1851) |
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georges castex French painter, FR (b. 1860) |
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raoul castex French naval historian, FR (b. 1878) |
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mariano rafael castex Argentinian physician, AR (b. 1886) |
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| adolphe-louis castex-dégrange [occupation:peintre] [dates:1840] [archive:Archives Biographiques Françaises], FR (b. 1840) |
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| françois castex French photographer (1842-1906), FR (b. 1842) |
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| henri de castex sport shooter, FR (b. 1854) |
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| jean castex French physician (1866-1949) (b. 1866) |
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didier castex FR (b. 1907) |
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| louis castex French sculptor, FR (b. 1868) |
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manuel arauz castex AR (b. 1915) |
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