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Family name Demetrio Antonio (Demetrio Antonio
) , worldwide, is a very rare last name. The cognomen Demetrio Antonio is habitual in Chile, where it is a rare surname, and Spain, where it is a very rare surname. More frequently, Demetrio Antonio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Demetrio Antonio | Paraguay, El Salvador, Central African Republic, Chile, Peru |