1 Samuel 18:17
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
14And David behaved himself wisely in all his ways; and the LORD with him.
15Wherefore when Saul saw that he behaved himself very wisely, he was afraid of him.
16But all Israel and Judah loved David, because he went out and came in before them.
17And 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.
18And David said unto Saul, Who I? and what my life, my father’s family in Israel, that I should be son in law to the king?
19But it came to pass at the time when Merab Saul’s daughter should have been given to David, that she was given unto Adriel the Meholathite to wife.
20And Michal Saul’s daughter loved David: and they told Saul, and the thing pleased him.