# John IV of Constantinople

> Patriarch of Constantinople

**Wikidata**: [Q442737](https://www.wikidata.org/wiki/Q442737)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_IV_of_Constantinople)  
**Source**: https://4ort.xyz/entity/john-iv-of-constantinople


## References

1. Virtual International Authority File
2. Freebase Data Dumps. 2013
3. CERL Thesaurus