# Julius Iwan Kettler
**Wikidata**: [Q47408734](https://www.wikidata.org/wiki/Q47408734)  
**Source**: https://4ort.xyz/entity/julius-iwan-kettler


## References

1. BnF authorities
2. [Source](https://kalliope-verbund.info/DE-611-BF-11505)
3. Integrated Authority File
4. Virtual International Authority File