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Around the world, Sierens (Sierens
) is a very rare female first name. The forename Sierens is characteristic of Western Europe, particularly Belgium, where it is a very rare female name. Much more frequently, Sierens is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sierens | Belgium, Canada, United States, United Kingdom, Germany |