He had brothers, the sons of Jehoshaphat: Azariah, Jehiel, Zechariah, Azariah, Michael, and Shephatiah; all these were the sons of Jehoshaphat king of Israel.
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
And their father gave them great gifts of silver, and of gold, and of precious things,.... As jewels and precious stones; or precious garments, as the Targum, in like manner as Abraham gave to his sons, when he sent them from Isaac: with fenced cities in Judah; not as their own property, but he appointed them governors in them, to defend them against an enemy...
And he had brethren the sons of Jehoshaphat, Azariah, and Jehiel, and Zechariah, and Azariah, and Michael, and Shephatiah: all these [were] the sons of Jehoshaphat king of Israel. (a) Read how by Israel he meant Judah.