2 Chronicles 24:25

24:25 When they withdrew, they left Joash badly wounded. His servants plotted against him because of what he had done to the son of Jehoiada the priest. They murdered him on his bed. Thus he died and was buried in the City of David, but not in the tombs of the kings.

2 Chronicles 35:24

35:24 So his servants took him out of the chariot, put him in another chariot that he owned, and brought him to Jerusalem, where he died. He was buried in the tombs of his ancestors; all the people of Judah and Jerusalem mourned Josiah.