1 Chronicles 24:3
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.

1 Chronicles 24:31
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.

1 Chronicles 24:6
And Shemaiah the son of Nethaneel the scribe, of the Levites, wrote them before the king, and the princes, and Zadok the priest, and Ahimelech the son of Abiathar, and the chief of the fathers of the priests and Levites: one principal household being taken for Eleazar, and taken for Ithamar.

1 Samuel 22:9
Then answered Doeg the Edomite, which was set over the servants of Saul, and said, I saw the son of Jesse coming to Nob, to Ahimelech the son of Ahitub.