1 Samuel 22:4-6
1 Samuel 22: 4 to 6
4 And he brought them before the king of Moab: and they dwelt with him all the while that David was in the hold.
5 And the prophet Gad said unto David, Abide not in the hold; depart, and get thee into the land of Judah. Then David departed, and came into the forest of Hareth.
6 When Saul heard that David was discovered, and the men that were with him, (now Saul abode in Gibeah under a tree in Ramah, having his spear in his hand, and all his servants were standing about him;)