These likewise cast lots There was the like solemnity used in their distribution as there was in that of the priests, by casting lots; whereby they knew what Levites should wait in every course with the sons of Aaron. Even the principal fathers over against their younger brethren These words are somewhat obscure, but the meaning, says Bishop Patrick, is, that both elder and younger had their places by lot, not by seniority of houses: they who were of greater dignity drew lots against those who were of less: and they were to take their courses as they fell either to the elder or the younger family.
Related Commentaries of 1 Chronicles 24:31
1 Chronicles 24:31
31 These likewise cast lots over against their brethren the sons of Aaron in the presence of David the king, and Zadok, and Ahimelech, and the chief of the fathers of the priests and Levites, even the principal fathers over against their younger brethren.