1 Samuel 30:7
"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."
Cross References (ranked by relevance)
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 put thee to death, because thou barest the ark of the LORD God before David my father, and because thou hast been afflicted in all wherein my father was afflicted.
Mark 2:26
How he went into the house of God in the days of Abiathar the high priest, and did eat the shewbread, which is not lawful to eat but for the priests, and gave also to them which were with him?