# Bernard Pretwicz

> Hetman of Silesia

**Wikidata**: [Q78022](https://www.wikidata.org/wiki/Q78022)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bernard_Pretwicz)  
**Source**: https://4ort.xyz/entity/bernard-pretwicz


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. CERL Thesaurus
4. Sejm-Wielki.pl