'Eight' in the Bible

a son of thirty and two years was he in his reigning, and eight years he hath reigned in Jerusalem.

And the days that Jehu hath reigned over Israel are twenty and eight years, in Samaria.

A son of eight years is Josiah in his reigning, and thirty and one years he hath reigned in Jerusalem, and the name of his mother is Jedidah daughter of Adaiah of Boskath,