2 Kings 8:18-22

And he walked in the way of the kings of Israel, as did the house of Ahab: for the daughter of Ahab was his wife: and he did evil in the sight of the LORD.

Yet the LORD would not destroy Judah for David his servant’s sake, as he promised him to give him alway a light, and to his children.

In his days Edom revolted from under the hand of Judah, and made a king over themselves.

So Joram went over to Zair, and all the chariots with him: and he rose by night, and smote the Edomites which compassed him about, and the captains of the chariots: and the people fled into their tents.

Yet Edom revolted from under the hand of Judah unto this day. Then Libnah revolted at the same time.