New Defender's Study Bible Notes
18:3 did that which was right. It is a mark of God’s amazing grace that such a God-fearing king as Hezekiah could be the son of such a wicked king as Ahaz. Perhaps part of the credit should go to his mother Abi (II Kings 18:2), the daughter of Zachariah. One could speculate that the latter might have been the same as the godly prophet Zechariah who had served during the reign of King Uzziah (II Chronicles 26:5; 29:1). Also note below, on II Kings 18:5.