Constantius (Flavius Valerius) of ROME
Constantius (Flavius Valerius) of was born in 0242 in Eboracum, England.  He died in Eboracum, England.

 Helena of the Cross of COLCHESTER
Helena of the Cross of was born in 0248 in Drepanum, Bithynia.  She died at the age of 80 in 0328 in Copnstantinople, Byzantium.

 Constantin I 'The Great' of ROME
Constantin I 'The Great' of was born in Britain.