lead them captive. Though the ten tribes, as such, had not been deported, yet thousands had been led captive. Hezekiah's Song of the degrees (Psalms 126:1) refers to this. Compare 2 Chronicles 30:6, and see App-67.
gracious, &c. Compare Exodus 34:6.
Related Commentaries of 2 Chronicles 30:9
2 Chronicles 30:9
9 For if ye turn again unto the LORD, your brethren and your children shall find compassion before them that lead them captive, so that they shall come again into this land: for the LORD your God is gracious and merciful, and will not turn away his face from you, if ye return unto him.