# Jonas Gren
**Wikidata**: [Q5770940](https://www.wikidata.org/wiki/Q5770940)  
**Source**: https://4ort.xyz/entity/jonas-gren-q5770940


## References

1. [Dictionary of Swedish National Biography](https://sok.riksarkivet.se/Sbl/Presentation.aspx?id=13179)
2. [Source](http://www.klaverenshus.se/kunskapsbank/svenska-fabriker/klavikord/)