# Otto, Duke of Brunswick-Grubenhagen

> Prince of Taranto, 4th husband of queen Joanna I of Naples

**Wikidata**: [Q602408](https://www.wikidata.org/wiki/Q602408)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Otto,_Duke_of_Brunswick-Grubenhagen)  
**Source**: https://4ort.xyz/entity/otto-duke-of-brunswick-grubenhagen


## References

1. Integrated Authority File
2. The Peerage
3. Freebase Data Dumps. 2013
4. CERL Thesaurus
5. Dizionario Biografico degli Italiani
6. Sejm-Wielki.pl