1 Samuel 23:15 YLT

¹³  And David riseth -- and his men -- about six hundred men, and they go out from Keilah, and go up and down where they go up and down; and to Saul it hath been declared that David hath escaped from Keilah, and he ceaseth to go out.

¹⁴  And David abideth in the wilderness, in fortresses, and abideth in the hill-country, in the wilderness of Ziph; and Saul seeketh him all the days, and God hath not given him into his hand.

¹⁵  And David seeth that Saul hath come out to seek his life, and David 'is' in the wilderness of Ziph, in a forest.

¹⁶  And Jonathan son of Saul riseth, and goeth unto David to the forest, and strengtheneth his hand in God,

¹⁷  and saith unto him, 'Fear not, for the hand of Saul my father doth not find thee, and thou dost reign over Israel, and I am to thee for second, and also so knoweth Saul my father.'