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In all the world, Ralf Gregor (Ralf Gregor ) is a very rare boy's first name. The first name Ralf Gregor is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare male name.
| VARIANT | COUNTRY |
|---|---|
| Ralf Gregor | Philippines |
Entia, Gealolo, Bermejo, Gilbuena, and Montecillo