Surname Trella (Trella 
) , throughout the world, is quite a rare cognomen. The surname Trella is characteristic of Slovakia, where it is quite a rare surname, Poland, where it is a rare surname, and the United States. Likewise, Trella is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Trella | Germany, Italy, United States, Poland, Slovakia |
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massimo trella Italian engineer (1932–2002), IT (b. 1932) |
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| tadeusz trella Polish entomologist (1885–1940), PL (b. 1885) |
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| amalia trella Righteous Among the Nations, IT (b. 1902) |
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| serafino trella IT (b. 1893) |
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| imola trella várhelyi Romanian-Hungarian painter, RO (b. 1928) |
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| rudolf trella Slovak professor, SK (b. 1929) |
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| trella laughlin actvisit and film director, US (b. 1937) |
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| josé trella cinematographer |
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| tim trella stunt coordinator |
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| timothy p. trella |
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