Constantius I Emperor Of Rome
Constantius I was born in 0242 in Rome Italy.  He died at the age of 64 in July 0306 in Eboracum (York,England).

 Helen Of Britain
Helen was born in 0248 in Britain.  Helen is no longer alive.

 Constantine the Great UNKNOWN
Constantine the Great was born in Naissus in Moesia.  He died in Constantinople,Turkey.  He was buried in Church of the Holy Apostles,Constantinople,Turkey.