# Casimir I of Oświęcim

> Duke of Oświęcim

**Wikidata**: [Q479997](https://www.wikidata.org/wiki/Q479997)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Casimir_I_of_Oświęcim)  
**Source**: https://4ort.xyz/entity/casimir-i-of-o-wi-cim


## References

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