1 Chronicles 24:5

These also cast lots alongside their relatives the sons of Aaron in the presence of David the king, Zadok, Ahimelech, and the heads of the fathers’ households of the priests and of the Levites—the head of fathers’ households alongside those of his younger brother.

And they cast lots, the small and the great alike, according to their fathers’ households, for every gate.

Now it happened that when the priests came out of the holy place (for all the priests who were present had sanctified themselves, without regard to divisions),