What an awful state is Joash fallen into! see, Reader! how faithfulness brings forth the glorious crown of martyrdom. Do you not suppose that at the last day, when Jesus comes to be glorified in his saints, his holy army of martyrs, who have really sealed the testimony of his truth with their blood, will appear with peculiar marks of distinction amidst the throng? I am inclined to think that this Zechariah is the same of whom our Lord speaks, Matthew 23:35. For though he is said to be the son of Barachias, yet it is well known that the Jews had two names. And Jehoiada and Barachias might be one and our same person. And I am the more inclined to this opinion because our Lord's declaration concerning Zecharias in his blood being required, corresponds with what is here said by the dying prophet; the Lord look upon it, and require it; that is, he spake under the spirit of prophecy; the Lord will visit for it.
Related Commentaries of 2 Chronicles 24:21
2 Chronicles 24:21-22
21 And they conspired against him, and stoned him with stones at the commandment of the king in the court of the house of the LORD.
22 Thus Joash the king remembered not the kindness which Jehoiada his father had done to him, but slew his son. And when he died, he said, The LORD look upon it, and require it.