Iustinianus was a Roman military commander who supported the usurper Constantine III.

Life

Iustinianus was an officer of the Western Roman army in Britain. In 407 the general Claudius Constantine (Constantine III) rebelled against Emperor Honorius

Honorius (emperor)

Honorius , was Western Roman Emperor from 395 to 423. He was the younger son of emperor Theodosius I and his first wife Aelia Flaccilla, and brother of the eastern emperor Arcadius....

 and appointed Iustinianus and Nebiogastes

Nebiogastes

Nebiogastes was a Roman military commander who supported the usurper Constantine III.- Life :Nebiogastes was an officer of the Western Roman army in Britain. In 407 the general Claudius Constantine rebelled against Emperor Honorius and appointed Nebiogastes and Iustinianus magistri militum of the...

 magistri militum

Magister militum

Magister militum was a top-level military command used in the later Roman Empire, dating from the reign of Constantine. Used alone, the term referred to the senior military officer of the Empire...

of the army of Gaul. Constantine crossed the Channel

English Channel

The English Channel , often referred to simply as the Channel, is an arm of the Atlantic Ocean that separates southern England from northern France, and joins the North Sea to the Atlantic. It is about long and varies in width from at its widest to in the Strait of Dover...

 and attacked the troops loyal to Honorius in Gaul. Iustinianus fought against Sarus

Sarus (Goth)

Sarus was a Gothic chieftain and commander for the emperor Honorius . He was known for his hostility to the prominent Gothic brothers Alaric I and Ataulf, and was the brother of Sigeric, who ruled the Goths briefly in 415.-Career:...

, one of Honorius' general, but was defeated and killed.

Sources

• Olympiodorus of Thebes
  Olympiodorus of Thebes
  Olympiodorus was an historical writer of classical education, a "poet by profession" as he says of himself, who was born at Thebes in Egypt, and was sent on a mission to the Huns on the Black Sea by Emperor Honorius about 412, and later lived at the court of Theodosius II, to whom his History was...
  
  , fragment 12.
• Zosimus
  Zosimus
  Zosimus was a Byzantine historian, who lived in Constantinople during the reign of the Byzantine Emperor Anastasius I . According to Photius, he was a comes, and held the office of "advocate" of the imperial treasury.- Historia Nova :...
  
  , VI.2.2-3.
• "Iustinianus 1", Prosopography of the Later Roman Empire
  Prosopography of the Later Roman Empire
  Prosopography of the Later Roman Empire is a set of three volumes collectively describing every person attested or claimed to have lived in the Roman world from AD 260, the date of the beginning of Gallienus' sole rule, to 641, the date of the death of Heraclius, which is commonly held to mark the...
  
  , Volume II, p. 644.