Leo II, who was born in 467 as the son of Zeno and Ariadne ruled only a very short period as Emperor. Leo II was acclaimed as Caesar by his grandfather Leo I in October 473 and was promoted to Augustus on Leo's death.
After his grandfather's death (18 January 474), he ruled as sole Emperor for only three weeks. His father Zeno acclaimed on February 9th co-Augustus. They ruled jointly until Leo's death of an unknown disease at the end of November 474.
His grandmother Verina took advantage of his death to conspire against Zeno, but failed.