II Kings 8:20

He walked in the way of the kings of Israel, as did the house of Ahab; for he had the daughter of Ah...

However the Lord would not destroy Judah, for David his servant's sake, as he promised him to give t...

Then Joram passed over to Zair, and all his chariots with him: and he rose up by night, and struck t...

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