Alexios Komnenos (co-emperor)
| Alexios Komnenos | |
|---|---|
| Emperor of the Romans | |
Mosaic of Alexios Komnenos in Hagia Sophia. | |
| Byzantine co-emperor | |
| Reign | 1119–1142 |
| Coronation | 1119 as co-emperor |
| Born | October 1106 Balabista, Macedonian Theme (now Sidirokastro, Greece) |
| Died | Summer 1142 (aged 36) Attaleia, Pamphylia (now Antalya, Turkey) |
| Spouse | Eupraxia-Dobrodjeja of Kiev Eirene-Kata of Georgia |
| Issue | Maria Komnene |
| Dynasty | Komnenos |
| Father | John II Komnenos |
| Mother | Irene of Hungary |
Alexios Komnenos, latinised as Alexius Comnenus (Greek: Ἀλέξιος Κομνηνός; October 1106 – summer 1142), and sometimes called Alexios the Younger, was the eldest son of the Byzantine emperor John II Komnenos and his wife Eirene of Hungary. He was crowned co-emperor in 1119, at 13 years of age, but predeceased his father in 1142. He was an elder brother of the emperor Manuel I Komnenos, and had a twin sister, Maria Komnene (plus other siblings).