# John Christian of Brieg

> Duke of Brzeg (1591-1639)

**Wikidata**: [Q479945](https://www.wikidata.org/wiki/Q479945)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_Christian_of_Brieg)  
**Source**: https://4ort.xyz/entity/john-christian-of-brieg


## References

1. Integrated Authority File
2. Virtual International Authority File
3. The Peerage
4. Freebase Data Dumps. 2013
5. Sejm-Wielki.pl