1 Chronicles 6:49

6:49 But Aaron and his descendants offered sacrifices on the altar for burnt offerings and on the altar for incense as they had been assigned to do in the most holy sanctuary. They made atonement for Israel, just as God’s servant Moses had ordered.

1 Chronicles 23:28

23:28 Their job was to help Aaron’s descendants in the service of the Lord’s temple. They were to take care of the courtyards, the rooms, ceremonial purification of all holy items, and other jobs related to the service of God’s temple.

1 Chronicles 24:31

24:31 Just like their relatives, the descendants of Aaron, they also cast lots before King David, Zadok, Ahimelech, the leaders of families, the priests, and the Levites. The families of the oldest son cast lots along with the those of the youngest.