David left there and escaped to the cave of Adullam; when his brothers and all his father's house heard of it, they went down there to him.
Everyone who was in distress, and everyone who was in debt, and everyone who was discontented gathered to him; and he became captain over them. Those who were with him numbered about four hundred.
David went from there to Mizpeh of Moab. He said to the king of Moab, "Please let my father and mother come to you, until I know what God will do for me."
References for 1 Samuel 22:3
He left them with the king of Moab, and they stayed with him all the time that David was in the stronghold.
Then the prophet Gad said to David, "Do not remain in the stronghold; leave, and go into the land of Judah." So David left, and went into the forest of Hereth.
Saul heard that David and those who were with him had been located. Saul was sitting at Gibeah, under the tamarisk tree on the height, with his spear in his hand, and all his servants were standing around him.
Saul said to his servants who stood around him, "Hear now, you Benjaminites; will the son of Jesse give every one of you fields and vineyards, will he make you all commanders of thousands and commanders of hundreds?
Is that why all of you have conspired against me? No one discloses to me when my son makes a league with the son of Jesse, none of you is sorry for me or discloses to me that my son has stirred up my servant against me, to lie in wait, as he is doing today."
Doeg the Edomite, who was in charge of Saul's servants, answered, "I saw the son of Jesse coming to Nob, to Ahimelech son of Ahitub;
he inquired of the Lord for him, gave him provisions, and gave him the sword of Goliath the Philistine."