Family name Gemelli (Gemelli 
) , around the world, is quite a common cognomen. The last name Gemelli is habitual in Italy, where it is quite a rare surname, Argentina, where it is a rare surname, and Brazil. Much less frequently, Gemelli is the forename as well as the last name.
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| Gemelli | France, Argentina, Italy, Brazil, United States |
| matthias gemelli cuprimontanus SE (b. 1540) |
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| francesco gemelli academic (1736 - 1808), member of the Accademia delle Scienze di Torino since 1783, IT (b. 1736) |
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| carlo gemelli Italian patriot and historian (1811-1886), IT (b. 1811) |
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| giovanni gemelli IT (b. 1816) |
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agostino gemelli Italian cleric-scientist, IT (b. 1878) |
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| enrico gemelli Italian actor, IT (b. 1841) |
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| bruno gemelli IT (b. 1895) |
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| ivo gemelli (b. 1897) |
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| leopoldo gemelli (b. 1916) |
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| vitaliano gemelli politician, IT (b. 1946) |
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| salvatore gemelli (b. 1939) |
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| giuliana gemelli Italian historian, IT (b. 1951) |
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| piero gemelli Italian photographer (b. 1952) |
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| anna gemelli IT (b. 1944) |
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| tiziano gemelli Italian athletics competitor, IT (b. 1961) |
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