# Bernard I.

> Duke of Brunswick-Lüneburg

**Wikidata**: [Q689386](https://www.wikidata.org/wiki/Q689386)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bernard_I,_Duke_of_Brunswick)  
**Source**: https://4ort.xyz/entity/bernard-i-q689386


## References

1. The Peerage
2. Freebase Data Dumps. 2013
3. CERL Thesaurus
4. Sejm-Wielki.pl