17 Saul knew David's voice, and said, "Is this your voice, my son David?" David said, "It is my voice, my lord, O king."
1 Samuel 26:17 Cross References - NHEB
1 Samuel 24:8
8 Afterward David also arose and went out of the cave, and called after Saul, saying, "My lord the king." When Saul looked behind him, David bowed with his face to the earth, and showed respect.
1 Samuel 24:16
16 It came to pass, when David had made an end of speaking these words to Saul, that Saul said, "Is this your voice, my son David?" Saul lifted up his voice, and wept.