# Jan Kleczyński

> Polish chess player

**Wikidata**: [Q2899837](https://www.wikidata.org/wiki/Q2899837)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Jan_Kleczyński_Jr.)  
**Source**: https://4ort.xyz/entity/jan-kleczy-ski-q2899837


## References

1. Virtual International Authority File
2. Czech National Authority Database
3. Sejm-Wielki.pl