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Family name Bastias Troncoso (Bastias Troncoso ) , worldwide, is a very rare last name. The surname Bastias Troncoso is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bastias Troncoso | Chile |
Jorge, Maria Elvira, Carlos Marcos, Clemente Aurelio, Jaime Bernardo, and Mauricio Alejandro