Not in the sepulchres of the kings - Compare the similar treatment of Joash 2 Chronicles 24:25 and Ahaz 2 Chronicles 28:27.
Related Commentaries of 2 Chronicles 21:20
2 Chronicles 21:20
20 Thirty and two years old was he when he began to reign, and he reigned in Jerusalem eight years, and departed without being desired. Howbeit they buried him in the city of David, but not in the sepulchres of the kings.