# John II, Duke of Opava-Ratibor

> Duke of Racibórz, Krnov and Freudenthal, Governor of Kłodzko and Ząbkowice Śląskie

**Wikidata**: [Q477616](https://www.wikidata.org/wiki/Q477616)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_II,_Duke_of_Opava-Ratibor)  
**Source**: https://4ort.xyz/entity/john-ii-duke-of-opava-ratibor


## References

1. Kniaziowie litewsko-ruscy od końca czternastego wieku
2. Catalog of the German National Library
3. CERL Thesaurus
4. Freebase Data Dumps. 2013
5. Sejm-Wielki.pl
6. [Bibliography of the History of the Czech Lands](https://biblio.hiu.cas.cz/records/9cc8c1cc-01b6-46f6-a627-368364f37508)