1. Now these are the divisions of the sons of Aaron. The sons of Aaron were Nadab, Abihu, Eleazar, and Ithamar.
2. And Nadab and Abihu died before their father, and had no children; therefore Eleazar and Ithamar ministered as priests.
3. Then David with Zadok of the sons of Eleazar, and Ahimelech of the sons of Ithamar, divided them according to the schedule of their service.