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. The daughter of Ahab was his wife - This was the infamous Athaliah; and through this marriage Jehoshaphat and Ahab were confederates; and this friendship was continued after Ahab's death.
Related Commentaries of 2 Kings 8:18
2 Kings 8:18
18 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.