# Sjoerd Dirk Janzen

> Dutch painter

**Wikidata**: [Q13137856](https://www.wikidata.org/wiki/Q13137856)  
**Source**: https://4ort.xyz/entity/sjoerd-dirk-janzen


## References

1. RKDartists
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. Biografisch Portaal
4. Virtual International Authority File
5. ADAGP directory
6. DACS register