Constantine I the Great Augustus of Rome
Constantine I the Great Augustus of was born in Naissus, Moesia (now Nis/Naissus, Serbia, Yugoslavia).  He died in Ancyrona, near Nicomedia, Bithynia (now Izmit, Turkey).

 Flavia Maximiana Fausta
Flavia Maximiana was born about 0289.  She died in 0326.

 Constantine II Augustus of Rome
Constantine II Augustus of was born before 0326.  He died after 0390.

 Helena Constantina of Rome
Helena Constantina of was born before 0326.  She died in 0354.

 Maximianius Constants I of Rome
Maximianius Constants I of was born before 0326.