# John IV, Landgrave of Leuchtenberg

> Landgrave of Leuchtenberg

**Wikidata**: [Q111450](https://www.wikidata.org/wiki/Q111450)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_IV,_Landgrave_of_Leuchtenberg)  
**Source**: https://4ort.xyz/entity/john-iv-landgrave-of-leuchtenberg


## References

1. Genealogics
2. Virtual International Authority File
3. Integrated Authority File
4. CERL Thesaurus
5. Sejm-Wielki.pl