# Euphemia of Olésnica

> Peerage person ID=40985

**Wikidata**: [Q1374064](https://www.wikidata.org/wiki/Q1374064)  
**Source**: https://4ort.xyz/entity/euphemia-of-ol-snica


## References

1. The Peerage
2. Genealogics
3. Sejm-Wielki.pl