Gratian was emperor of the Western Roman Empire from 367 to 383. The eldest son of Valentinian I, Gratian was raised to the rank of Augustus as a child and inherited the West after his father's death in 375. Wikipedia
Born: April 18, 359 AD, Sirmium
Spouse: Laeta (m. 383 AD–383 AD) and Constantia (m. 374 AD–383 AD)
Assassinated: August 25, 383 AD, Lugdunum
Cousins: Valentinianus Galates and Anastasia
Full name: Flavius Gratianus Augustus
Parents: Valentinian I and Marina Severa
Grandparent: Gratianus Funarius