# Jan II the Mad, duke of Żagań

> Duke of Żagań

**Wikidata**: [Q471473](https://www.wikidata.org/wiki/Q471473)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Jan_II_the_Mad)  
**Source**: https://4ort.xyz/entity/jan-ii-the-mad-duke-of-aga


## References

1. CERL Thesaurus
2. Genealogics
3. Freebase Data Dumps. 2013
4. [Source](http://thesaurus.cerl.org/record/cnp00575228)
5. Sejm-Wielki.pl