Reigning from 27BC to 14AD, who was the first Roman Emperor?
Roman emperor themselves "King of Kings" (from the imperial Persian "Shahanshah") from 627 and "Basileus" (from the title used by Alexander the Great) from 629. The later period of the empire is today called the Byzantine Empire as a matter of scholarly convention. Although these are the most common offices, titles, and positions, not all Roman emperors used them, nor were all of them used at the same time in history. The consular and censorial offices especially were not an integral part of the Imperial dignity, and were usually held by persons other than the reigning emperor. When Augustus established the "Princeps",
Otto II, Holy Roman Emperor of his dynasty, Otto II was the grandson of Henry I, son of Otto I, father of Otto III, and a first-cousin once removed to Henry II. Otto II had only one known wife. On April 14, 972, Otto II married Theophanu, a Byzantine princess of the Phokas family who was the cousin of reigning Byzantine Emperor John I Tzimiskes. The two had at least five children: Otto II, Holy Roman Emperor Otto II (955 – December 7, 983), called the Red ("Rufus"), was Holy Roman Emperor from 973 until his death in 983. A member of the Ottonian dynasty,