Back Іаан Дука (севастакратар) Byelorussian Йоан Дука Ангел Bulgarian Joan Ducas Catalan Johannes Dukas (Sebastokrator) German Ιωάννης Δούκας (σεβαστοκράτωρ) Greek Juan Ducas Spanish Jean Doukas (sébastokrator) French Ivan Duka (sebastokrátor) Croatian Giovanni Ducas Italian Ioannes Ducas (Sebastocrator) Latin
John Doukas | |
|---|---|
| Sebastokrator | |
| Born | c. 1125/27 |
| Died | c. 1200 |
| Noble family | Komnenodoukas branch of the Angelos dynasty |
| Spouse(s) | Possible first wife Zoe Doukaina |
| Issue Detail | Isaac Angelos Alexios Komnenos Doukas Theodore Komnenos Doukas Manuel Doukas Constantine Komnenos Doukas Theodora (?) Irene (?) Anna (?) Michael I Komnenos Doukas |
| Father | Constantine Angelos |
| Mother | Theodora Komnene |
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John Doukas, Latinized as Ducas (Greek: Ἰωάννης Δούκας, romanized: Iōannēs Doukas; c. 1125/27 – c. 1200), was the eldest son of Constantine Angelos by Theodora Komnene, the seventh child of the Byzantine Emperor Alexios I Komnenos and Irene Doukaina. John Doukas took the family name of his grandmother Irene. He served as a military commander under Manuel I Komnenos and Isaac II Angelos. Isaac II, who was Doukas's nephew, raised him to the high rank of sebastokrator. Despite his advanced age, he continued to be an active general in the 1180s and 1190s, and until shortly before his death aspired to the imperial throne. He was the progenitor of the Komnenos Doukas line, which founded the Despotate of Epirus after the Fourth Crusade.