All over the world, Jean-Marius (Jean-Marius 
) is a rare boy's forename. The first name Jean-Marius is habitual in Western Europe, particularly France, where it is a rare masculine name. Very seldom, Jean-Marius is the last name as well as the forename. Parts of the name also exists independently as a first name Jean, and a first name Marius.
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| Jean-Marius | France, Germany, United States, Ivory Coast |
| jean-marius andré French politician, FR (b. 1860) |
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| jean-marius bugnard French painter, FR (b. 1880) |
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| jean-marius asselbergs French painter, FR (b. 1933) |
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| jean-marius raapoto French Polynesian politician (b. 1943) |
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| jean-marius barnéoud French politician, FR (b. 1944) |
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