# Henry IV, Duke of Mecklenburg

> Duke of Mecklenburg

**Wikidata**: [Q65051](https://www.wikidata.org/wiki/Q65051)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Henry_IV,_Duke_of_Mecklenburg)  
**Source**: https://4ort.xyz/entity/henry-iv-duke-of-mecklenburg


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Virtual International Authority File
4. Freebase Data Dumps. 2013
5. CERL Thesaurus
6. Sejm-Wielki.pl