# Ewald Graf von Keyserling
**Wikidata**: [Q55853377](https://www.wikidata.org/wiki/Q55853377)  
**Source**: https://4ort.xyz/entity/ewald-graf-von-keyserling


## References

1. Integrated Authority File
2. Genealogics
3. Catalog of the German National Library
4. Deutsche Biographie