1. And the courses of the sons of Aaron were these. The sons of Aaron; Nadab and Abihu, Eleazar and Ithamar.
2. But Nadab and Abihu died before their father, and had no children: therefore Eleazar and Ithamar executed the priest office.
3. And David with Zadok of the sons of Eleazar, and Ahimelech of the sons of Ithamar, divided them according to their ordering in their service.