# Berthold I of Istria

> Margrave of Istria

**Wikidata**: [Q68632](https://www.wikidata.org/wiki/Q68632)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Berthold_I_of_Istria)  
**Source**: https://4ort.xyz/entity/berthold-i-of-istria


## References

1. Integrated Authority File
2. [Source](https://geschichte.digitale-sammlungen.de/hab/seite/bsb00007637_00064)
3. Genealogics
4. [Source](https://www.deutsche-biographie.de/sfz69463.html)
5. Freebase Data Dumps. 2013
6. CERL Thesaurus
7. Sejm-Wielki.pl