NET
23 He did not humble himself before the Lord as his father Manasseh had done. Amon was guilty of great sin.
Darby
23 And he did not humble himself before Jehovah, as Manasseh his father had humbled himself; for he, Amon, multiplied trespass.
KJV
23 And humbled not himself before the LORD, as Manasseh his father had humbled himself; but Amon trespassed more and more.