1 Chronicles 24:3

David with Zadok of the sons of Eleazar, and Ahimelech of the sons of Ithamar, divided them according to their ordering in their service.

2 Samuel 8:17

and Zadok the son of Ahitub, and Ahimelech the son of Abiathar, were priests; and Seraiah was scribe;

1 Chronicles 24:31

These likewise cast lots even as their brothers the sons of Aaron in the presence of David the king, and Zadok, and Ahimelech, and the heads of the ancestral houses of the priests and of the Levites; the ancestral houses of the chief even as those of his younger brother.

1 Samuel 21:1

Then David came to Nob to Ahimelech the priest. Ahimelech came to meet David trembling, and said to him, "Why are you alone, and no man with you?"

1 Samuel 22:9-23

Then Doeg the Edomite, who stood by the servants of Saul, answered and said, "I saw the son of Jesse coming to Nob, to Ahimelech the son of Ahitub.

2 Samuel 20:25

and Sheva was scribe; and Zadok and Abiathar were priests;

1 Kings 2:35

The king put Benaiah the son of Jehoiada in his place over the army; and the king put Zadok the priest in the place of Abiathar.

1 Chronicles 6:4-8

Eleazar became the father of Phinehas, Phinehas became the father of Abishua,

1 Chronicles 6:50-53

These are the sons of Aaron: Eleazar his son, Phinehas his son, Abishua his son,

1 Chronicles 12:27-28

Jehoiada was the leader of the household of Aaron; and with him were three thousand and seven hundred,

1 Chronicles 15:11

David called for Zadok and Abiathar the priests, and for the Levites, for Uriel, Asaiah, and Joel, Shemaiah, and Eliel, and Amminadab,

1 Chronicles 16:39

and Zadok the priest, and his brothers the priests, before the tabernacle of the LORD in the high place that was at Gibeon,

1 Chronicles 24:6

And Shemaiah the son of Nethanel the scribe, who was of the Levites, wrote them in the presence of the king, and the officiers, and Zadok the priest, and Ahimelech the son of Abiathar, and the heads of the ancestral houses of the priests and of the Levites; one fathers' house being taken for Eleazar, and one taken for Ithamar.

Treasury of Scripture Knowledge

Summary

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.

Bible References

Ahimelech

1 Samuel 21:1
Then David came to Nob to Ahimelech the priest. Ahimelech came to meet David trembling, and said to him, "Why are you alone, and no man with you?"
1 Samuel 22:9
Then Doeg the Edomite, who stood by the servants of Saul, answered and said, "I saw the son of Jesse coming to Nob, to Ahimelech the son of Ahitub.
2 Samuel 8:17
and Zadok the son of Ahitub, and Ahimelech the son of Abiathar, were priests; and Seraiah was scribe;