1 Samuel 21:10

21:10 So on that day David arose and fled from Saul. He went to King Achish of Gath.

1 Samuel 27:2

27:2 So David left and crossed over to King Achish son of Maoch of Gath accompanied by his six hundred men.

1 Samuel 27:4

27:4 When Saul learned that David had fled to Gath, he did not mount a new search for him.