Gratianus was born about 0300, the son of unknown parents. The place is not known.
His wife was Fausta. They were married, but the date and place have not been found. Their two known children were Valentinianus I Augustus (0321-0375) and Julius Valens Augustus (0328-0378).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 0300 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | comes Britanniarum |
Note 1
Gratianus originated from an obscure Christian family from the town of Cibalae or Cibalis, Southern Pannonia (modern Vinkovci, Croatia).