Eastern Roman Empire

Emperers
Note Emperers Who Ruled over the whole empire are in bold and ones who were emperers before the empires final split have a star

Constantian Dynasty

 * Constantine I (330-337)*
 * Constantius II (330/347-361)*
 * Julian (355/361-363)*
 * Jovian (Non Dynastic) (363-364)*

Valentinian Dynasty

 * Valentinian I ( also Roman Emperor) (364)*
 * Valens (also Roman Emperor) (364-378)*
 * Gratian (also Roman Emperor) (378)*

Theodosiusan Dynasty

 * Theodsius I (also Roman Emperor) (378-395)*
 * Arcadius (383/395-408)
 * Theodosius II (402/408-450)
 * Marcian (450-457)

Leonoid Dynasty

 * Leo I (457-474)
 * Leo II (474)
 * Zeno 1st Time (474-475)
 * Basilicas (475-476)
 * Zeno 2nd Time (476-491)
 * Athanasius (491-518)