Last name Treo (Treo 
) , worldwide, is a very rare cognomen. The last name Treo is habitual in Argentina, where it is a very rare surname, Italy, and Vietnam. Also, Treo is the forename as well as the last name.
| santo treo (b. 1805) |
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dragotin treo SI (b. 1863) |
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rudolf treo (b. 1877) |
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| viljem treo SI (b. 1845) |
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