Sons of man, sons of God, minister according to your gift

The sons of Levi: Gershon, Kohath, and Merari.
1 Chronicles 6:1

But Aaron and his sons made offerings on the altar of burned offering, and on the altar of perfume, for all the work of the most holy place, and to take away the sin of Israel, doing everything ordered by Moses, the servant of God.
1 Chronicles 6:49