Cognomen Dété (Dété 
) , across the world, is a very rare surname. The last name Dété is characteristic of Western Europe, particularly France, where it is a very rare surname.
| eugène dété French printmaker and illustrator (1848-1922), FR (b. 1848) |
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| jeanne-flore dété French engraver (1888-1932), FR (b. 1888) |
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| marie-christine dété French politician, FR (b. 1952) |
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