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Cognomen Gerondio (Gerondio
) , across the world, is a rare family name. The cognomen Gerondio is characteristic of Philippines, where it is a rare surname, and Italy, where it is a very rare surname. Also, Gerondio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gerondio | Brazil, Italy, United States, Philippines |