2 Chronicles 21:5-9

5Jehoram was thirty-two years old when he became king, and he reigned eight years in Jerusalem.

6And he walked in the way of the kings of Israel, just as the house of Ahab had done, for he had the daughter of Ahab as a wife; and he did evil in the sight of the Lord.

7Yet the Lord would not destroy the house of David, because of the covenant that He had made with David, and since He had promised to give a lamp to him and to his sons forever.

8In his days Edom revolted against Judah’s authority, and made a king over themselves.

9So Jehoram went out with his officers, and all his chariots with him. And he rose by night and attacked the Edomites who had surrounded him and the captains of the chariots.