1 Samuel 20:13

20:13 But if my father intends to do you harm, may the Lord do all this and more to Jonathan, if I don’t let you know and send word to you so you can go safely on your way. May the Lord be with you, as he was with my father.

1 Samuel 20:16

20:16 and called David’s enemies to account.” So Jonathan made a covenant with the house of David.