And the inhabitants of Jerusalem made Ahaziah his youngest son king in his stead: for the band of men that came with the Arabians to the camp had slain all the eldest. So Ahaziah the son of Jehoram king of Judah reigned.
The inhabitants of Jerusalem made Ahaziah ... king - or Jehoahaz (2 Chronicles 21:17). All his older brothers having been slaughtered by the Arab marauders, the throne of Judah rightfully belonged to him, as the only legitimate heir of Joram.