# Otto the Mild, Duke of Brunswick-Lüneburg

> Duke of Brunswick-Lüneburg

**Wikidata**: [Q553126](https://www.wikidata.org/wiki/Q553126)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Otto_the_Mild)  
**Source**: https://4ort.xyz/entity/otto-the-mild-duke-of-brunswick-l-neburg


## References

1. The Peerage
2. Integrated Authority File
3. Virtual International Authority File
4. Freebase Data Dumps. 2013
5. CERL Thesaurus
6. Sejm-Wielki.pl