Sextus was the son of unknown parents. The date and place of his birth have not been found.
His wife was Caesonia. They were married, but the date and place have not been found. Their only known child was Sextus Cocceius Severianus (?-?).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | BET 0161 AND 0163 | proconsul | ||||
| Nobility Title | BET 0161 AND 0163 | legate of Africa |