# Philip I, Duke of Brunswick-Grubenhagen

> Duke of the Principality Grubenhagen

**Wikidata**: [Q78143](https://www.wikidata.org/wiki/Q78143)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Philip_I,_Duke_of_Brunswick-Grubenhagen)  
**Source**: https://4ort.xyz/entity/philip-i-duke-of-brunswick-grubenhagen


## References

1. The Peerage
2. Virtual International Authority File
3. Library of Congress Name Authority File
4. Integrated Authority File
5. MAK
6. Freebase Data Dumps. 2013
7. CERL Thesaurus
8. Sejm-Wielki.pl