1 Chronicles Chapter 24, Verse 3

3: And David distributed them, both Zadok of the sons of Eleazar, and Ahimelech of the sons of Ithamar, according to their offices in their service.- edit KJV text
3: And David distributed them, that is, Sadoc of the sons of Eleazar, and Ahimelech of the sons of Ithamar, according to their courses and ministry.— edit Douay text
3: And David distributed them, even Sadoc of the sons of Eleazar, and Achimelech of the sons of Ithamar, according to their numbering, according to their service, according to the houses of their fathers.— edit LXX text