5 Jehoram was thirty and two years old when he began to reign; and he reigned eight years in Jerusalem. 6 And he walked in the way of the kings of Israel, as did the house of Ahab; for he had the daughter of Ahab to wife: and he did that which was evil in the sight of Jehovah. 7 Howbeit Jehovah would not destroy the house of David, because of the covenant that he had made with David, and as he promised to give a lamp to him and to his children alway.
Matthew Henry's Commentary on 2 Chronicles 21:5-7
Commentary on 2 Chronicles 21:1-11
(Read 2 Chronicles 21:1-11)
Jehoram hated his brethren, and slew them, for the same reason that Cain hated Abel, and slew him, because their piety condemned his impiety. In the mystery of Providence such men sometimes prosper for a time; but the Lord has righteous purposes in permitting such events, part of which may now be made out, and the rest will be seen hereafter.