grove fromt he house of the Lord] Chap. 21. 7.
brook Kidron] See the Notes on 1 Kings 2:37.
upon the graves] In detestation of such as had been idolaters, and for a fore-warning to such as then or afterwards might be so.
children of the people] The common sort who had offered sacrifices to idolls (2 Chronicles 34:4.) and were most sottish therein.