6 And it came to pass, when Abiathar the son of Ahimelech fled to David to Keilah, that he came down with an ephod in his hand.
1 Samuel 23:6 Cross References - KJ2000
Exodus 28:30-31
30 And you shall put in the breastplate of judgment the Urim and the Thummim; and they shall be upon Aaron's heart, when he goes in before the LORD: and Aaron shall bear the judgment of the children of Israel upon his heart before the LORD continually.
31 And you shall make the robe of the ephod all of blue.
1 Samuel 14:3
3 And Ahijah, the son of Ahitub, Ichabod's brother, the son of Phinehas, the son of Eli, the LORD'S priest in Shiloh, wearing an ephod. And the people knew not that Jonathan was gone.
1 Samuel 14:18
18 And Saul said unto Ahijah, Bring here the ark of God. For the ark of God was at that time with the children of Israel.
1 Samuel 14:36-37
36 And Saul said, Let us go down after the Philistines by night, and plunder them until the morning light, and let us not leave a man of them. And they said, Do whatsoever seems good unto you. Then said the priest, Let us draw near here unto God.
37 And Saul asked counsel of God, Shall I go down after the Philistines? will you deliver them into the hand of Israel? But he answered him not that day.
1 Samuel 22:20
20 And one of the sons of Ahimelech the son of Ahitub, named Abiathar, escaped, and fled after David.