# Hans Hartmann von Erffa

> (1551-1610)

**Wikidata**: [Q68535462](https://www.wikidata.org/wiki/Q68535462)  
**Source**: https://4ort.xyz/entity/hans-hartmann-von-erffa-q68535462


## References

1. Genealogics
2. Catalog of the German National Library
3. Integrated Authority File