The Empire Strikes Back 14 - The Childless
This was Konstantinos XII of the Empire. He ascended to the throne in 1163.
His reign was known mostly for the attempted breakaway of the Kingdom of Egypt. He won that war handily.
He also fought a few minor wars in Croatia, reclaiming land from Catholics.
He died of depression in 1177 after the death of his beloved wife. He was succeeded by his half-brother Makarios I.