# Bolesław I, Duke of Cieszyn

> Duke of Bytom, Cieszyn, Głogów, Ścinawa and Siewierz

**Wikidata**: [Q571128](https://www.wikidata.org/wiki/Q571128)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bolesław_I,_Duke_of_Cieszyn)  
**Source**: https://4ort.xyz/entity/boles-aw-i-duke-of-cieszyn


## References

1. Virtual International Authority File
2. CERL Thesaurus
3. Freebase Data Dumps. 2013
4. [Source](https://encyklopedia.pwn.pl/haslo/Boleslaw-I;3879179.html)
5. Sejm-Wielki.pl