Although this second “mighty man” might appear righteous because he was a descendant of Jared’s brother, Moroni gives no details that allow such an interpretation. This man replicates the family pattern of overthrowing the king and retaining him in captivity; but since the curse continues, this unnamed descendant of Jared’s brother was presumably as wicked as the man he replaced.
Chronology: Coriantor would have reigned from 260 to 230 B.C. His son will not be in power, either; and their lineage will end with his son.