# Arend Johann Knüpffer

> cleric worked in Estonia (1673-1713)

**Wikidata**: [Q12359508](https://www.wikidata.org/wiki/Q12359508)  
**Source**: https://4ort.xyz/entity/arend-johann-kn-pffer


## References

1. Catalog of the German National Library
2. Virtual International Authority File