# Gustaf Grefberg
**Wikidata**: [Q5770374](https://www.wikidata.org/wiki/Q5770374)  
**Source**: https://4ort.xyz/entity/gustaf-grefberg-q5770374


## References

1. [FinnGraven.se](http://www.finngraven.se/(S(4vzhwng0k4f05koodivxhsiu))/DisplayInfo.aspx?id=1077072)
2. [Dictionary of Swedish National Biography](https://sok.riksarkivet.se/Sbl/Presentation.aspx?id=13171)