Heraclian dynasty Chronology Heraclius 610–641 with Constantine III as co-emperor, 613–641 Constantine III 641 with Heraklonas as co-emperor Heraklonas 641 Constans II 641–668 with Constantine IV (654–668), Heraclius and Tiberius (659–668) as co-emperors Constantine IV 668–685 with Heraclius and Tiberius (668–681), and Justinian II (681–685) as co-emperors Justinian II 685–695, 705–711 with Tiberius as co-emperor, 706–711 Succession Preceded by Justinian dynasty and Phocas Followed by Twenty Years' Anarchy