Flavius Claudius Constantine
Flavius Claudius was born about 0361.  He died about 0425.

 King of Britain Constans
King of Britain was born about 0380.  King of Britain is no longer alive.

 Ambrosius Aurelianus
Ambrosius was born about 0385.  Ambrosius is no longer alive.

 Uther Pendragon
Uther was born about 0390.  Uther is no longer alive.