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All over the world, Grelen (Grelen
) is a very rare largely feminine, but seldom masculine first name. The first name Grelen is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare dominantly feminine, but uncommonly boy's name. Likewise, Grelen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Grelen | Germany, United States, Philippines, Venezuela |