31 These likewise cast lots even as their brothers 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 fathers’ households of the chief even as those of his younger brother.
1 Chronicles 24:31 Cross References - WEB
Numbers 26:56
56 According to the lot shall their inheritance be divided between the more and the fewer.”
1 Chronicles 24:5-6
5 Thus they were divided impartially by drawing lots; for there were princes of the sanctuary, and princes of God, both of the sons of Eleazar, and of the sons of Ithamar.
6 Shemaiah the son of Nethanel the scribe, who was of the Levites, wrote them in the presence of the king, the princes, Zadok the priest, Ahimelech the son of Abiathar, and the heads of the fathers’ households of the priests and of the Levites; one fathers’ house being taken for Eleazar, and one taken for Ithamar.
1 Chronicles 25:8
8 They cast lots for their offices, all alike, the small as well as the great, the teacher as well as the student.
1 Chronicles 26:13
13 They cast lots, the small as well as the great, according to their fathers’ houses, for every gate.