1 Samuel 30:7

But David took a good courage to him in the LORD his God and said to Abiathar the priest, Ahimelech's son, "Bring me the ephod." And Abiathar brought the ephod to David.

1 Samuel 22:20-21

But yet one of the sons of Ahimelech the son of Ahitub, named Abiathar, escaped and fled to David,

1 Samuel 23:2-9

Then David asked the LORD's advice, saying, "Shall I go and smite the Philistines?" And the LORD said unto David, "Go, and smite the Philistines and save Keilah."

1 Kings 2:26

And unto Abiathar the priest said the king, "Get thee to Anathoth unto thine own fields, for thou art worthy of death: but I will not at this time kill thee, because thou hast borne the Ark of the Lord Jehovah before David my father, and because thou sufferest with my father in all his afflictions."

Mark 2:26

How he went into the house of God in the days of Abiathar the high priest, and did eat the hallowed loaves, which is not lawful but for the priests only to eat: and gave also to them which were with him?"

Treasury of Scripture Knowledge

Summary

And David said to Abiathar the priest, Ahimelech's son, I pray thee, bring me hither the ephod. And Abiathar brought thither the ephod to David.

General references

Bible References

Abiathar

1 Samuel 22:20
But yet one of the sons of Ahimelech the son of Ahitub, named Abiathar, escaped and fled to David,
1 Samuel 23:2
Then David asked the LORD's advice, saying, "Shall I go and smite the Philistines?" And the LORD said unto David, "Go, and smite the Philistines and save Keilah."
1 Kings 2:26
And unto Abiathar the priest said the king, "Get thee to Anathoth unto thine own fields, for thou art worthy of death: but I will not at this time kill thee, because thou hast borne the Ark of the Lord Jehovah before David my father, and because thou sufferest with my father in all his afflictions."
Mark 2:26
How he went into the house of God in the days of Abiathar the high priest, and did eat the hallowed loaves, which is not lawful but for the priests only to eat: and gave also to them which were with him?"

General references

Deuteronomy 20:2
And when ye are come nigh unto battle, let the priest come forth and speak unto the people,