Cognomen Billaud (Billaud 
) , in all the world, is quite a common surname. The cognomen Billaud is characteristic of Western Europe, particularly France, where it is quite a rare surname, Switzerland, and Belgium, where it is a rare surname. Very seldom, Billaud is the forename as well as the last name.
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| Billaud | Belgium, Switzerland, France, United States, Argentina |
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jacques nicolas billaud-varenne French revolutionary leader (1756-1819), FR (b. 1756) |
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| victor billaud FR (b. 1852) |
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| eugène billaud (b. 1888) |
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| auguste billaud FR (b. 1903) |
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| pierre billaud French physicist, FR (b. 1919) |
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| jean billaud French politician, FR (b. 1926) |
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cindy billaud French hurdler, FR (b. 1986) |
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| claude billaud French librarian and historian, FR (b. 1941) |
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| bernard billaud French official (b. 1942) |
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| yves billaud French politician, FR (b. 1949) |
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| roland billaud French politician, FR (b. 1954) |
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| claude billaud French politician, FR (b. 1955) |
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| pierre billaud French journalist (1970-2001), FR (b. 1970) |
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| michel billaud French politician, FR (b. 1973) |
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| boris billaud CH (b. 1968) |
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