# Frederick, Duke of Opava

> Co-ruler of Troppau

**Wikidata**: [Q185900](https://www.wikidata.org/wiki/Q185900)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Frederick,_Duke_of_Opava)  
**Source**: https://4ort.xyz/entity/frederick-duke-of-opava


## References

1. Freebase Data Dumps. 2013
2. Sejm-Wielki.pl