# Otto II, Duke of Brunswick-Grubenhagen

> Duke of Brunswick-Grubenhagen

**Wikidata**: [Q2072693](https://www.wikidata.org/wiki/Q2072693)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Otto_II,_Duke_of_Brunswick-Osterode)  
**Source**: https://4ort.xyz/entity/otto-ii-duke-of-brunswick-grubenhagen


## References

1. Medieval Lands
2. Europäische Stammtafeln
3. Genealogie van het Vorstenhuis Nassau
4. Het Vorstenhuis Oranje-Nassau
5. The Peerage