In 610 , Heraclius , an Armenian of probable Arsacid descent , revolted against the Byzantine Emperor Phocas .
In 610 , Heraclius , an Armenian of probable Arsacid descent , killed him , crowning himself as Emperor of the Byzantine Empire .
In 610 , Heraclius , an Armenian of probable Arsacid descent , revolted against the Byzantine Emperor Phocas and killed him , crowning himself as Emperor of the Byzantine Empire .