# William I, Duke of Bavaria

> second son of Emperor Louis IV and Margaret II of Hainaut

**Wikidata**: [Q77244](https://www.wikidata.org/wiki/Q77244)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/William_I,_Duke_of_Bavaria)  
**Source**: https://4ort.xyz/entity/william-i-duke-of-bavaria


## References

1. Integrated Authority File
2. The Peerage
3. Deutsche Biographie
4. [Source](https://www.jstor.org/stable/435240?seq=1)
5. Genealogics
6. Virtual International Authority File
7. Freebase Data Dumps. 2013
8. CERL Thesaurus
9. Sejm-Wielki.pl