Flavius Valerius Constantinus
born 27/2 285 AD?, dead 22/5 337 AD in Ankyrena, suburb to Nikomedia in Bithynien.
Caesar 25/7 306 , augustus 307 .

Father Constantius I (caesar 293-305, augustus 305-306). Mother Flavia Helena.

First child, Crispus 306-326, with Mamertina.

First wife, Fausta (daugther to Maximianus)
Second child, Constantinus II (314-340).
Third child, Constantius II (317-361).
Fourth child, Constans (320-350).

314
The battle against the Gothics at Donau.
Constantine in Treveri.
8/10 Constantine defeated Licinius I at Cibalae.