Last name Vieillard-Baron (Vieillard-Baron 
) , in the world, is a rare family name. The last name Vieillard-Baron is characteristic of France, where it is a rare surname, and the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Vieillard, and a last name Baron.
| VARIANT | COUNTRY |
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| Vieillard-Baron | France, United States |
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jean-louis vieillard-baron French philosopher, FR (b. 1944) |
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hervé vieillard-baron French geographer, FR (b. 1949) |
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clémentine vieillard-baron French journalist and writer, FR |
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| bertrand vieillard-baron FR (b. 1940) |
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| antoine vieillard-baron French professor of medicine, FR |
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| anne vieillard-baron French translator, FR |
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| michel vieillard-baron French japanologist, FR |
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