Theodosian dynasty

Roman imperial dynasties
Theodosian dynasty
379–457
Missorium of Theodosius with three Theodosian emperors[a] of Theodosian
Missorium of Theodosius with three Theodosian emperors[a]
Western and Eastern Roman Empires 395
Western and Eastern Roman Empires 395
StatusImperial dynasty
CapitalRome
Constantinople
Ravenna
GovernmentAbsolute monarchy
Western Roman emperor 
• 395–423
Honorius
• 425–455
Valentinian III
Eastern Roman emperor 
• 379–395
Theodosius I
• 395–408
Arcadius
• 408–450
Theodosius II
• 450–457
Marcian
Historical eraLate antiquity
• Battle of Adrianople, Death of Valens (378), Ascent of Theodosius I
379
• Death of Marcian
457
Preceded by
Succeeded by
Valentinianic dynasty (364–455)
Leonid dynasty (457–518)
Inscription in honour of Theodosius and Honorius[b]

The Theodosian dynasty was a Roman imperial family that produced five Roman emperors during Late Antiquity, reigning over the Roman Empire from 379 to 457. The dynasty's patriarch was Theodosius the Elder, whose son Theodosius the Great was made Roman emperor in 379. Theodosius's two sons both became emperors, while his daughter married Constantius III, producing a daughter that became an empress and a son also became emperor. The dynasty of Theodosius married into, and reigned concurrently with, the ruling Valentinianic dynasty (r. 364–455), and was succeeded by the Leonid dynasty (r. 457–518) with the accession of Leo the Great.
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