# Otto Julius Hugo Gf. von Keyserling

> 20 Sep 1833 Gaicken, Kurland - 28 Mar 1903 Mitau

**Wikidata**: [Q55090284](https://www.wikidata.org/wiki/Q55090284)  
**Source**: https://4ort.xyz/entity/otto-julius-hugo-gf-von-keyserling


## References

1. Integrated Authority File
2. Genealogics
3. Catalog of the German National Library
4. Baltisches biografisches Lexikon digital
5. Deutsche Biographie