The sons — Ahaziah, and his brethren before they were carried away captive, 2 Chronicles 21:17, who did this by her instigation, as this phrase implies. Broke up — Both broke up the treasuries, and defaced the house itself.
Related Commentaries of 2 Chronicles 24:7
2 Chronicles 24:7
7 For the sons of Athaliah, that wicked woman, had broken up the house of God; and also all the dedicated things of the house of the LORD did they bestow upon Baalim.