# Alexios III Angelos

> Byzantine emperor

**Wikidata**: [Q37065](https://www.wikidata.org/wiki/Q37065)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Alexios_III_Angelos)  
**Source**: https://4ort.xyz/entity/alexios-iii-angelos

## Summary

Alexios III Angelos was a Byzantine emperor who ruled the Byzantine Empire during the late 12th and early 13th centuries. Also known by the Greek name Ἀλέξιος Κομνηνός Ἄγγελος and alternately referred to as Alexius III Angelos or Emperor of Constantinople, he belonged to the Angelos dynasty and held sovereignty over the Eastern Roman realm.

## Biography

- **Born:** January 1, 1153
- **Died:** January 1, 1211
- **Nationality:** Byzantine Empire
- **Known for:** Serving as Byzantine emperor and sovereign leader of the empire
- **Occupation:** Sovereign (leader of a country)
- **Field(s):** Imperial governance of the Byzantine Empire

## Contributions

Alexios III Angelos served as sovereign of the Byzantine Empire, the continuation of the Roman Empire during Late Antiquity and the Middle Ages. His reign placed him as the leading authority over a realm whose inception dates trace back to foundational moments in Roman history (including reference dates of 285, 286, 330, and 395 AD). As emperor, he held the highest office in what was one of the most enduring political entities of the medieval world. He is referenced across 23 sitelinks connected to the sovereign role and 187 sitelinks associated with the Byzantine Empire itself.

## FAQs

**What names and titles was Alexios III Angelos known by?**
He was known by his native Greek name Ἀλέξιος Κομνηνός Ἄγγελος, as well as the Latinized Alexius III Angelos, and held the title Emperor of Constantinople.

**What empire did Alexios III Angelos rule?**
He ruled the Byzantine Empire, the continuation of the Roman Empire through Late Antiquity and the Middle Ages, centered on Constantinople.

**How is Alexios III Angelos documented in historical and bibliographic records?**
He appears extensively across major authority files and catalogues, including VIAF (28152408), GND (129523291), BNF (16296322s), Britannica (biography/Alexius-III-Angelus), and numerous other national and academic databases spanning at least 51 sitelinks and over 40 unique identifier systems.

## Why They Matter

Alexios III Angelos occupies a significant position in Byzantine history as a sovereign during a turbulent period preceding the Fourth Crusade's devastating impact on the empire. His reign connects to the broader arc of Byzantine imperial succession and the political dynamics of the eastern Mediterranean world at the turn of the 13th century. The extensive cataloguing of his identity across dozens of international bibliographic systems — from German (GND), French (BNF), Catalan, Italian, Norwegian, Danish, and other European databases — testifies to his enduring relevance as a subject of historical scholarship across multiple cultures and languages.

## Notable For

- Served as Byzantine emperor, the sovereign leader of the Byzantine Empire
- Member of the Angelos dynasty, as reflected in his family name identifier (Angelos-12)
- Documented across 51 sitelinks on Wikipedia and connected projects
- Subject of coverage in the Encyclopaedia Britannica (biography/Alexius-III-Angelus)
- Referenced in the Genealogics project (I00049870) and the Foundation for Medieval Genealogy (p15019.htm#i150182)
- Catalogued in over 40 international authority control and bibliographic systems
- Represented in visual records including the portraits "Alexios III.jpg" and "Alexius III cropped.jpg"

## Body

### Identity and Names

Alexios III Angelos (Ἀλέξιος Κομνηνός Ἄγγελος) was a human member of Homo sapiens who held the role of sovereign — the leader of a country. He carried alternate designations including Alexius III Angelos and the title Emperor of Constantinople. His family lineage is indexed under the Angelos pedigree designation "Angelos-12," confirming his placement within that dynastic house.

### Reign and Empire

As Byzantine emperor, Alexios III governed the entity known as the Byzantine Empire — the Roman Empire as it existed during Late Antiquity and the Middle Ages. This empire is associated with multiple inception dates in the historical record: 285 AD, 286 AD, 330 AD, and January 17, 395 AD. The empire itself is catalogued under country reference Q2277 and maintains a sitelink presence of 187 across connected knowledge platforms. Alexios III's own sovereign role is tied to 23 sitelinks.

### Lifespan

Alexios III Angelos was born on January 1, 1153, and died on January 1, 1211, living approximately 58 years through a period of significant transition in the eastern Mediterranean world.

### Documentary and Scholarly Presence

Alexios III Angelos has been extensively catalogued across global knowledge systems. His identifiers include:

- **International authority files:** VIAF 28152408, GND 129523291, BNF 16296322s
- **Encyclopedic references:** Britannica (biography/Alexius-III-Angelus), Treccani (alessio-iii-angelo-imperatore-d-oriente, alessio-iii-angelo-imperatore-di-bisanzio), Den Store Danske (Alexios_3.)
- **Genealogical databases:** Genealogics I00049870, Foundation for Medieval Genealogy p15019.htm#i150182, WikiTree Angelos-12
- **National bibliographic systems:** Czech (alexei-iii-angel), Norwegian (Aleksios_3._Angelos), Catalan (aleix-iii-comne)
- **Academic and specialized catalogues:** CERL cnp00609860, Oxford reference 1811668, BIU Santé 431, IdRef 1580, BNE 129523291
- **Digital and linked data identifiers:** Freebase /m/0rkm, Quora 20110803095401782, PRDL person/285, ISNI 6000000000515214098

With 51 sitelinks across Wikipedia and related projects, his presence in the interconnected knowledge ecosystem is substantial, reflecting sustained scholarly and public interest in his historical role.

### Visual Record

Two image files are associated with Alexios III Angelos in the knowledge base: "Alexios III.jpg" and "Alexius III cropped.jpg," providing visual documentation of his representation in historical or artistic sources.

## References

1. The Peerage
2. Freebase Data Dumps. 2013
3. CERL Thesaurus