1 Samuel 23:18
They both promised Jehovah that they would always be loyal to each other. Then Jonathan went home while David stayed at Horesh.
1 Samuel 18:3
Jonathan made a covenant with David. He loved him as himself.
1 Samuel 20:42
Jonathan said to David: God be with you. Jehovah will make sure that you and I, and your descendants and mine, will keep the sacred promise we have made to each other for as long as we live. Then David left and Jonathan went back to town.
2 Samuel 21:7
David made a promise to Jonathan with Jehovah as his witness. He spared Jonathan's son Mephibosheth, the grandson of Saul.
2 Samuel 9:1
One day, David thought: I wonder if any of Saul's family is still alive. If they are I will be kind to them. This is because I made a promise to Jonathan.
1 Samuel 20:12-17
As Jehovah God of Israel is my witness, Jonathan continued, I will find out in the next two or three days how my father feels about you. If he does feel kindly toward you I will send someone to tell you.