# Sidonie von Oldenburg

> Peerage person ID=5550

**Wikidata**: [Q75243632](https://www.wikidata.org/wiki/Q75243632)  
**Source**: https://4ort.xyz/entity/sidonie-von-oldenburg


## References

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