# John I, Duke of Opava

> Co-ruler of Troppau and Głubczyce and Lord of Fulnek

**Wikidata**: [Q428951](https://www.wikidata.org/wiki/Q428951)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_I,_Duke_of_Opava)  
**Source**: https://4ort.xyz/entity/john-i-duke-of-opava


## References

1. Freebase Data Dumps. 2013