1 Kings 22:44

44 aJehoshaphat also made peace with the king of Israel.

2 Kings 8:18

18And he walked in the way of the kings of Israel, as the house of Ahab had done, for bthe daughter of Ahab was his wife. And he did what was evil in the sight of the Lord.

2 Chronicles 18:1

Jehoshaphat Allies with Ahab

1Now Jehoshaphat chad great riches and honor, dand he made a marriage alliance with Ahab.
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