# Otto Freiherr von Berchem

> military personnel

**Wikidata**: [Q55848404](https://www.wikidata.org/wiki/Q55848404)  
**Source**: https://4ort.xyz/entity/otto-freiherr-von-berchem


## References

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