# Johan Otto Agathon Ekstam
**Wikidata**: [Q109577256](https://www.wikidata.org/wiki/Q109577256)  
**Source**: https://4ort.xyz/entity/johan-otto-agathon-ekstam


## References

1. [Dictionary of Swedish National Biography](https://sok.riksarkivet.se/Sbl/Presentation.aspx?id=11682)