Emperors of Byzantium (Yarmuk)

The Byzantine Empire was ruled by a wide number of emperors over its 1400 year history.

Constantinian Dynasty (324-363)

 * Constantine I - 324-337 (Previously emperor in the west, united the empire in 324)
 * Constantius II - 337-361 (Second son of Constantine, counted second after his grandfather, Constantius Chlorus)
 * Julian the Apostate - 361-363 (Cousin of Constantius II, grandson of Constantius Chlorus)

Non-dynastic

 * Jovian - 363-364 (Julian's Guard Commander)

Valentinian-Theodosian Dynasty (364-457)

 * Valentinian I - 364 (Officer under Julian and Jovian, after 364 was emperor in the west)
 * Valens - 364-378 (Brother of Valentinian I)
 * Gratian - 378-379 (Son of Valentinian I, after 379 was emperor in the west)
 * Theodosius I - 379-395 (Brother-in-law of Gratian, united the empire in 394)
 * Arcadius - 395-408 (Son of Theodosius, emperor in the east)
 * Theodosius II - 408-450 (Son of Arcadius)
 * Pulcheria - 450-453 (Daughter of Arcadius, sister of Theodosius II)
 * Marcian - 450-457 (Husband of Pulcheria)

Leonid Dynasty (457-518)

 * Leo I - 457-474 (Soldier under Marcian)
 * Leo II - 474 (Grandson of Leo I, poisoned)
 * Zeno - 474-475 476-491 (Son-in-law of Leo I, father of Leo II, deposed by Basilicus, restored in 476)
 * Basilicus - 475-476 (Brother-in-law of Leo I, deposed by Zeno)
 * Anastasius I - 491-518 (Son-in-law of Leo I)

Justinian Dynasty (518-602)

 * Justin I - 518-527 (City guards commander under Anastasius I)
 * Justinian I - 527-565 (Nephew of Justin I)
 * Justin II - 565-578 (Nephew of Justinian I)
 * Tiberius II Constantine - 578-582 (Adopted son of Justin II, counted second after Tiberius the heir of Augustus Caesar)
 * Maurice - 582-602 (Son-in-law of Tiberius II)

Non-dynastic

 * Phocas - 602-610 (Army commander who rebelled against Maurice)

Heraclian Dynasty (610-711)

 * Heraclius - 610-641 (Leader of a rebellion against Phocas, victor at Yarmuk)
 * Constantine III - 641 (Son of Heraclius, died of tuberculosis, counted third after Constantine II son of Constantine I and emperor of Gaul, Spain and Britain)
 * Heraclianus - 641 (Son of Hearclius I, co-emperor with Constantine III, deposed by the Senate)
 * Constans II - 641-668 (Son of Constantine III, numbered second after Constans I son of Constantine I and emperor of Africa, Italy and Pannonia)
 * Constantine IV - 668-685 (Son of Constans II)
 * Justinian II - 681-695 705-711 (Son of Constantine IV, co-emperor from 681-685, deposed by a military revolt, twice)
 * Leontios - 695-698 (Usurper, deposed by a military revolt)
 * Tiberius III - 698-705 (Usurper, deposed by a military revolt)