# Johann Nikolaus Claessens

> †, Auxiliary Bishop of Münster, Germany ; Bishop

**Wikidata**: [Q21547132](https://www.wikidata.org/wiki/Q21547132)  
**Source**: https://4ort.xyz/entity/johann-nikolaus-claessens


## References

1. Catholic-Hierarchy.org
2. Catalog of the German National Library