# Bolko IV of Opole

> Silesian duke

**Wikidata**: [Q479941](https://www.wikidata.org/wiki/Q479941)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bolko_IV_of_Opole)  
**Source**: https://4ort.xyz/entity/bolko-iv-of-opole


## References

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