And he walked in the way of the kings of Israel, as the house of Ahab had done, for the daughter of Ahab was his wife. And he did what was evil in the sight of the LORD.
We find here, I. That Jehoshaphat was a very careful indulgent father to Jehoram. He had many sons, who are here named (Ch2 21:2), and it is said (Ch2 21:13) that they were better than Jehoram, had a great deal more wisdom and virtue, and lived up to their education, which he went counter to.
Commenting on 2 Chronicles 21:1-11
HIS WICKED REIGN. (Ch2 21:5-7) he walked . . . as did the house of Ahab, for he had the daughter of Ahab to wife--The precepts and examples of his excellent father were soon obliterated by his matrimonial alliance with a daughter of the royal house of Israel.
And he walked in the way of the kings of Israel, like as did the house of Ahab: for he had the daughter of Ahab to wife: and he wrought [that which was] evil in the eyes of the LORD. (d) So that we see how it cannot be that we should join with the wicked and serve God.