# Christian IX d'Oldenbourg-Delmenhorst

> (1612-1647)

**Wikidata**: [Q17624731](https://www.wikidata.org/wiki/Q17624731)  
**Source**: https://4ort.xyz/entity/christian-ix-d-oldenbourg-delmenhorst


## References

1. Integrated Authority File
2. The Peerage
3. Catalog of the German National Library
4. CERL Thesaurus