A common misinterpretation views Jehoram's killings as a pragmatic political necessity typical of ancient monarchies to secure the throne, overlooking the Bible's condemnation of such fratricide as morally reprehensible and a direct contrast to Jehoshaphat's reforms; others erroneously see it as divinely sanctioned succession, ignoring the prophetic rebukes that follow and the broader narrative portraying it as the root of Judah's apostasy under his rule.
II Chronicles 21:4
King James Version (1769)
4 Now when Jehoram was risen up to the kingdom of his father, he strengthened himself, and slew all his brethren with the sword, and divers also of the princes of Israel.
II Chronicles 21:4 reveals the immediate character of King Jehoram upon succeeding his father Jehoshaphat, as he ruthlessly eliminated potential rivals by slaying all his brothers and several princes of Israel, demonstrating his insecurity, lack of familial loyalty, and departure from godly leadership; this act of violence underscores the beginning of his wicked reign influenced by his marriage into the idolatrous house of Ahab, setting the stage for divine judgment on Judah.