Flavius Julius DELMATIUS
- Constantine I had three sons by Fausta, whom he promoted to the rank of Caesar, Constantine (II) in 317, Constantius (II) in 324 and Constans in 333.
- In 335, he also promoted to Caesar, his nephews, sons of his half-brother Flavius Dalmatius, Delmatius and Hanniballianus.
- Delmatius was given control over Thrace, Macedonia, and Greece.
- On Constantine's death on 22nd May 337, the three brothers succeeded him, each with the title Augustus (9th September 337).
- Delmatius and Hanniballianus were two emperors too many and shortly afterwards were murdered.