# John, Duke of Saxe-Weimar

> Duke of Saxe-Weimar and Jena

**Wikidata**: [Q68238](https://www.wikidata.org/wiki/Q68238)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Johann_II,_Duke_of_Saxe-Weimar)  
**Source**: https://4ort.xyz/entity/john-duke-of-saxe-weimar


## References

1. Integrated Authority File
2. The Peerage
3. [Source](https://digitale.bibliothek.uni-halle.de/vd17/content/titleinfo/661503)
4. Freebase Data Dumps. 2013
5. Virtual International Authority File
6. Sejm-Wielki.pl