# Herman IV, Duke of Swabia

> Duke of Swabia

**Wikidata**: [Q64318](https://www.wikidata.org/wiki/Q64318)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Herman_IV,_Duke_of_Swabia)  
**Source**: https://4ort.xyz/entity/herman-iv-duke-of-swabia


## References

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