# Heinrich von Isernia
**Wikidata**: [Q12024866](https://www.wikidata.org/wiki/Q12024866)  
**Source**: https://4ort.xyz/entity/heinrich-von-isernia


## References

1. Virtual International Authority File
2. Czech National Authority Database
3. Dizionario Biografico degli Italiani
4. Bibliography of the History of the Czech Lands
5. HMML Authority File