# William II of Berg

> Count of Berg, elevated to Duke of Berg

**Wikidata**: [Q464594](https://www.wikidata.org/wiki/Q464594)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/William_II_of_Berg)  
**Source**: https://4ort.xyz/entity/william-ii-of-berg


## References

1. Integrated Authority File
2. The Peerage
3. Faceted Application of Subject Terminology
4. Freebase Data Dumps. 2013
5. Virtual International Authority File
6. Sejm-Wielki.pl