# Duke John William of Saxe-Altenburg

> Colonel in the Saxon army; titular Duke of Saxe-Altenburg and Jülich-Cleves-Berg

**Wikidata**: [Q825015](https://www.wikidata.org/wiki/Q825015)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Duke_Johann_Wilhelm_of_Saxe-Altenburg)  
**Source**: https://4ort.xyz/entity/duke-john-william-of-saxe-altenburg


## References

1. Integrated Authority File
2. Virtual International Authority File
3. [Source](http://www.die-fruchtbringende-gesellschaft.de/files/fg_beacon.txt)
4. SNAC
5. The Peerage
6. Genealogics
7. Freebase Data Dumps. 2013
8. CERL Thesaurus