# John X of Constantinople

> Patriarch of Constantinople from 5 August 1198 to April/May 1206

**Wikidata**: [Q2723586](https://www.wikidata.org/wiki/Q2723586)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_X_of_Constantinople)  
**Source**: https://4ort.xyz/entity/john-x-of-constantinople


## References

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