# Euphemia of Masovia

> Bef 1341 - 21 May 1418/9 Dec 1424

**Wikidata**: [Q1988358](https://www.wikidata.org/wiki/Q1988358)  
**Source**: https://4ort.xyz/entity/euphemia-of-masovia-q1988358


## References

1. Genealogics
2. Sejm-Wielki.pl