# Wolfgang, Duke of Brunswick-Grubenhagen

> ruler of the Principality of mine Hagen

**Wikidata**: [Q89409](https://www.wikidata.org/wiki/Q89409)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Wolfgang,_Duke_of_Brunswick-Grubenhagen)  
**Source**: https://4ort.xyz/entity/wolfgang-duke-of-brunswick-grubenhagen


## References

1. Integrated Authority File
2. The Peerage
3. Virtual International Authority File
4. Freebase Data Dumps. 2013
5. CERL Thesaurus