Last name Prévault (Prévault 
) , in the entire world, is a very rare family name. The cognomen Prévault is characteristic of Western Europe, particularly France, where it is a very rare surname.
| adrien prévault French military personnel, FR (b. 1836) |
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| albert prévault FR (b. 1900) |
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| jeanne prévault FR (b. 1903) |
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