1 Chronicles 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 

Nu 3:6-9; 1Ki 6:5; 1Ch 9:28,29; 1Ch 18:17; 1Ch 23:4; 1Ch 28:13; 2Ch 29:5,18,19; 2Ch 31:11; 2Ch 35:3-6,11-14; Ezr 8:29; Ne 11:24; Ne 13:4,5,9; Jer 35:4; Eze 41:6-11,26; Eze 42:3,13

¹ tn Heb “For their assignment was at the hand of the sons of Aaron for the work of the house of the Lord concerning the courtyards and concerning the rooms and concerning the purification of all holiness and the work of the service of the house of God.”