# John III Doukas Vatatzes

> Emperor of Nicaea

**Wikidata**: [Q37072](https://www.wikidata.org/wiki/Q37072)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_III_Doukas_Vatatzes)  
**Source**: https://4ort.xyz/entity/john-iii-doukas-vatatzes

## Summary
John III Doukas Vatatzes was a sovereign leader who ruled as Emperor of Nicaea, a key figure in the Byzantine Empire during its later medieval period. His reign marked a pivotal era in the empire's history, though specific details of his rule are not detailed in the provided source material.

## Biography
- Nationality: Byzantine
- Known for: Governing as Emperor of Nicaea
- Employer(s): Byzantine Empire
- Field(s): Byzantine politics and governance

## Contributions
No specific contributions or achievements are detailed in the provided source material.

## FAQs
**What was John III Doukas Vatatzes's primary role?**
John III Doukas Vatatzes served as the Emperor of Nicaea, a position of sovereignty within the Byzantine Empire.

**Which empire did John III Doukas Vatatzes rule under?**
He ruled as Emperor of Nicaea, a region within the Byzantine Empire.

**What is known about John III Doukas Vatatzes's reign?**
The source material does not provide specific details about his reign, only his title and affiliation with the Byzantine Empire.

## Why They Matter
John III Doukas Vatatzes's reign as Emperor of Nicaea was significant within the Byzantine Empire, though the extent of his impact is not detailed in the provided source material. His rule likely contributed to the empire's political and military dynamics during the medieval period.

## Notable For
- Emperor of Nicaea, a key Byzantine region
- Sovereign leader during the Byzantine Empire's later medieval era

## Body
### Early Life and Identity
John III Doukas Vatatzes was a human, a member of the Homo sapiens species, and a sovereign leader. His full name, John III Doukas Vatatzes, reflects his Byzantine heritage and imperial status.

### Reign and Role
John III Doukas Vatatzes ruled as Emperor of Nicaea, a region within the Byzantine Empire. His exact dates of reign are not specified in the source material, but his title indicates a position of high authority.

### Affiliation with the Byzantine Empire
As a sovereign, John III Doukas Vatatzes was affiliated with the Byzantine Empire, one of the most enduring political entities of Late Antiquity and the Middle Ages. His rule, though not further detailed, was part of the empire's broader medieval history.

### Legacy
The source material does not provide specific details about John III Doukas Vatatzes's legacy, but his role as Emperor of Nicaea suggests a period of political and military significance within the Byzantine Empire.

## References

1. The Peerage
2. Genealogics
3. general catalog of BnF
4. Virtual International Authority File
5. [Source](https://www.biolex.ios-regensburg.de/BioLexViewview.php?ID=1045)
6. Ökumenisches Heiligenlexikon
7. Freebase Data Dumps. 2013
8. CERL Thesaurus
9. Sejm-Wielki.pl