Family name Valleau (Valleau 
) , all around the world, is quite a rare cognomen. The family name Valleau is habitual in Paraguay, where it is quite a rare surname, France, where it is a rare surname, and Canada. Not in comparison with a country's population, it is the most numerous in France, the United States, and Paraguay.
| VARIANT | COUNTRY |
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| Valleau | Guatemala, Paraguay, United States, Canada, France |
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henri-victor valleau Roman Catholic bishop, FR (b. 1835) |
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| john s. valleau (b. 1837) |
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| william dorney valleau botanist (b. 1891) |
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| delmar valleau Canadian politician, CA (b. 1917) |
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| janice valleau American comic book artist, US (b. 1923) |
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| jeanette c valleau researcher |
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| stéphanie valleau researcher (ORCID 0000-0003-0499-2054) |
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| dylan valleau researcher ORCID ID = 0000-0002-1067-9067 |
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| valleau joshua |
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| sacha valleau French rugby union player (1996-), FR (b. 1996) |
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