# Peter Friedrich Wilhelm, Duke of Oldenburg

> Duke of Oldenburg (1754-1823)

**Wikidata**: [Q71131](https://www.wikidata.org/wiki/Q71131)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Wilhelm,_Duke_of_Oldenburg)  
**Source**: https://4ort.xyz/entity/peter-friedrich-wilhelm-duke-of-oldenburg


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Virtual International Authority File
4. The Peerage
5. Freebase Data Dumps. 2013
6. CERL Thesaurus