2 Chronicles 34:1-3

Young's Literal Translation

34 A son of eight years [is] Josiah in his reigning, and thirty and one years he hath reigned in Jerusalem,

² and he doth that which is right in the eyes of Jehovah, and walketh in the ways of David his father, and hath not turned aside -- right or left.

³ And in the eighth year of his reign (and he yet a youth), he hath begun to seek to the God of David his father, and in the twelfth year he hath begun to cleanse Judah and Jerusalem from the high places, and the shrines, and the graven images, and the molten images.