Thematic Bible: Betrothed to david by saul

Finally, Saul said to David: Here is my oldest daughter Merab. I will give her to you as your wife if you prove yourself to be a warrior for me and fight Jehovah's battles. Saul thought: I must not lay a hand on him. Let the Philistines do that. David answered: Who am I? What is my family that I should be the king's son-in-law?