# Valdemar Keller
**Wikidata**: [Q38052646](https://www.wikidata.org/wiki/Q38052646)  
**Source**: https://4ort.xyz/entity/valdemar-keller


## References

1. [Source](https://arkivalieronline.rigsarkivet.dk/da/billedviser?epid=21913035#426927,78457022)