1 Samuel 22:19-21

19 Saul also put the priestly city of Nob to the sword, including men and women, children and infants, and oxen, donkeys and sheep.

20 One son of Ahimelech, son of Ahitub, named Abiathar, [3] escaped and fled to David. [AH]

21 When Abiathar told David that Saul had slain the priests of the Lord,