Issac II., Angelus, Emperor of the East; a good man, but weak; became emperor in 1185, was dethroned by his brother Alexis in 1195; reinstated by the Crusaders in 1203, but overthrown six months after in 1204.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Issac I., Comnenus * Isac of York