# Brunswick-Grubenhagen

> subdivision of the Duchy of Brunswick-Lüneburg from 1291 to 1617 AD

**Wikidata**: [Q567634](https://www.wikidata.org/wiki/Q567634)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Principality_of_Grubenhagen)  
**Source**: https://4ort.xyz/entity/brunswick-grubenhagen


## References

1. Freebase Data Dumps. 2013
2. FactGrid
3. National Library of Israel Names and Subjects Authority File