Family name Zelder (Seer 
, Zelder 
) , globally, is quite a rare surname. The last name Zelder is characteristic of Estonia, where it is quite a rare surname, Austria, and Luxembourg. Not in comparison with a country's population, the name is most common in Germany, India, and Austria. Much less frequently, Zelder is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seer | India, Malaysia, Pakistan, Austria, Germany |
| Zelder | India, United States, Austria, Poland, Germany |
Laar, Sel, Sere, and Ven-Zelderheide
| helene zelder holocaust victim, b. 1863-11-09, DE (b. 1863) |
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| felix zelder researcher (ORCID 0000-0002-1473-8570) |
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| oskar zelder researcher |
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| caroline zelder |
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