# Johann Wilhelm von Sachsen-Altenburg

> (1585-1587)

**Wikidata**: [Q75245754](https://www.wikidata.org/wiki/Q75245754)  
**Source**: https://4ort.xyz/entity/johann-wilhelm-von-sachsen-altenburg


## References

1. Integrated Authority File
2. The Peerage
3. Virtual International Authority File