Family name Billant (Billant 
) , in all the world, is a rare cognomen. The last name Billant is habitual in France, where it is quite a rare surname, Switzerland, where it is a rare surname, and Israel, where it is a very rare surname.
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| Billant | Switzerland, United States, India, France, Israel |
| louis billant FR (b. 1874) |
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florian billant French handball player, FR (b. 1996) |
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| denis billant French politician, FR (b. 1949) |
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| jacques billant French military officer and official, FR (b. 1960) |
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| pierre du billant Embroiderer and painter, ca. 1410-ca. 1476, active in Burgundy |
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| olivier billant researcher ORCID ID = 0000-0002-3731-0796 (b. 1988) |
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Mr, Louis, Julie, Ewenn, Marine, Marcel, Mathis, Michel, Sophie, Steven, Alexis, Arnaud, Carmen, Claude, Claire, Benoit, Pascal, Pierre, Roland, Daniel, Didier, Loïck, Letty, Laura, David, Danny, Cã, Guy, Marc, Alex, Alan, Anne, Paul, Rene, Jean, Eric, Joseph, Yves, Marie, Sarah, Alain, Andre, Annie, Clara, Bruno, Roger, Regis, Denis, Yvan, and Jeanne