1 Samuel 22:20 KJV
And one of the sons of Ahimelech the son of Ahitub, named Abiathar, escaped, and fled after David.
1 Samuel 22:18–22 KJV Chapter Context
18
And the king said to Doeg, Turn thou, and fall upon the priests. And Doeg the Edomite turned, and he fell upon the priests, and slew on that day fourscore and five persons that did wear a linen ephod.
19
And Nob, the city of the priests, smote he with the edge of the sword, both men and women, children and sucklings, and oxen, and asses, and sheep, with the edge of the sword.
20
And one of the sons of Ahimelech the son of Ahitub, named Abiathar, escaped, and fled after David.
21
And Abiathar shewed David that Saul had slain the LORD’s priests.
22
And David said unto Abiathar, I knew it that day, when Doeg the Edomite was there, that he would surely tell Saul: I have occasioned the death of all the persons of thy father’s house.