Adamantius was a politician of the Eastern Roman Empire, praefectus urbi

Praefectus urbi

The praefectus urbanus or praefectus urbi, in English the urban prefect, was prefect of the city of Rome, and later also of Constantinople. The office originated under the Roman kings, continued during the Republic and Empire, and held high importance in late Antiquity...

of Constantinople (474-479), patricius and honorary consul.

Biography

Adamantius was the son of Vivianus

Vivianus

- Biography :Vivianus was the father of Paulus and Adamantius.He was Praetorian prefect of the East between 459 and 460. In 463 he was appointed Consul by the Eastern court, but he was not recognised in the West, where the only Consul was Caecina Decius Basilius.Vivianus was well-known as a...

, consul in 463 and praetorian prefect of the East; his brother was Paulus

Paulus (consul 512)

- Biography :Paulus was the son of Vivianus, consul in 463, and brother of Adamantius, praefectus urbi of Constantinople.Paulus was first appointed patricius and later, in 512, consul...

, consul in 512.

Between 474 and 479, Adamantius held the office of praefectus urbi

Praefectus urbi

The praefectus urbanus or praefectus urbi, in English the urban prefect, was prefect of the city of Rome, and later also of Constantinople. The office originated under the Roman kings, continued during the Republic and Empire, and held high importance in late Antiquity...

of Constantinople

Constantinople

Constantinople was the capital of the Roman, Eastern Roman, Byzantine, Latin, and Ottoman Empires. Throughout most of the Middle Ages, Constantinople was Europe's largest and wealthiest city.-Names:...

.

In 479 he is attested as patricius. That year he was conferred consular honours by Emperor Zeno

Zeno (emperor)

Zeno , originally named Tarasis, was Byzantine Emperor from 474 to 475 and again from 476 to 491. Domestic revolts and religious dissension plagued his reign, which nevertheless succeeded to some extent in foreign issues...

 and sent as envoy to the rebel general Theodoric Strabo

Theodoric Strabo

Theodoric Strabo was an Ostrogoth chieftain who was involved in the politics of the Byzantine Empire during the reigns of Byzantine Emperors Leo I, Zeno and Basiliscus...

. He went to Thessalonica, where he freed the ex-consul Iohannes

Iohannes (consul 467)

Iohannes was a politician of the Eastern Roman Empire.- Biography :His family came from Lychnidus. In 467 he was consul posterior, chosen by the Eastern court, together with Illustrius Pusaeus...

 from an enraged mob, and joined with Sabinianus Magnus

Sabinianus Magnus

Sabinianus Magnus was a general of the Eastern Roman Empire, who fought in the rebellion of Theodoric Strabo against Emperor Zeno.- Biography :...

 at Edessa

Edessa

Edessa may refer to:*Edessa, Greece*Edessa, Mesopotamia, now Şanlıurfa, Turkey*County of Edessa, a crusader state*Osroene, an ancient kingdom and province of the Roman Empire...

; they reached Theodoric in Dyrrachium, where they started negotiations, but Zeno recalled them back when the rebels kept on attacking imperial territories.