Coriantum, son of Amnigaddah
From MormonWiki
Corinatum is a character in the Book of Mormon's Book of Ether. He is known for spending the entirety of his life in captivity on account of his great-great-grandfather, Hearthom, who was overthrone as king of the Jaredites. He, like his father, Amnigaddah, his grandfather Aaron and great-grandfather Heth spent the entirety of his life in captivity. This captivity would finally end with his son Com, who would ultimately regain the throne of the Jaredites.
He is noted in the genealogy of Ether listed in the Book of Ether as being an father of Com and the son of Amnigaddah.