# John Sigismund, Crown Prince of Poland

> Crown Prince of Poland (1652)

**Wikidata**: [Q15983364](https://www.wikidata.org/wiki/Q15983364)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_Sigismund_Vasa)  
**Source**: https://4ort.xyz/entity/john-sigismund-crown-prince-of-poland


## References

1. Sejm-Wielki.pl