1 Samuel 18:17 in the King James Version
And Saul said to David, Behold my elder daughter Merab, her will I give thee to wife: only be thou valiant for me, and fight the LORD’s battles. For Saul said, Let not mine hand be upon him, but let the hand of the Philistines be upon him.
Context
16 But all Israel and Judah loved David; for he went out and came in before them.
17 Saul said to David, “Behold, my elder daughter Merab. I will give her to you as wife. Only be valiant for me, and fight the LORD’s battles.” For Saul said, “Don’t let my hand be on him, but let the hand of the Philistines be on him.”
18 David said to Saul, “Who am I, and what is my life, or my father’s family in Israel, that I should be son-in-law to the king?”