# William, Duke of Opava

> Duke of Opava and Münsterberg

**Wikidata**: [Q477623](https://www.wikidata.org/wiki/Q477623)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/William,_Duke_of_Opava)  
**Source**: https://4ort.xyz/entity/william-duke-of-opava


## References

1. Genealogics
2. Catalog of the German National Library
3. Virtual International Authority File
4. Freebase Data Dumps. 2013
5. CERL Thesaurus
6. Sejm-Wielki.pl