1 Samuel 20:30

20:30 Saul became angry with Jonathan and said to him, “You stupid traitor! Don’t I realize that to your own disgrace and to the disgrace of your mother’s nakedness you have chosen this son of Jesse?

1 Samuel 20:33

20:33 Then Saul threw his spear at Jonathan in order to strike him down. So Jonathan was convinced that his father had decided to kill David.