# Welf I, Duke of Bavaria

> Duke of Bavaria

**Wikidata**: [Q550343](https://www.wikidata.org/wiki/Q550343)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Welf_I,_Duke_of_Bavaria)  
**Source**: https://4ort.xyz/entity/welf-i-duke-of-bavaria


## References

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