I Samuel 18:22

22 Then Saul ordered his attendants: "Speak to David privately and say, 'Look, the king likes you, and his attendants all love you; now become his son-in-law.'"

22 And Saul gave his servants orders saying, Have talk with David secretly and say to him, See how the king has delight in you, and how you are loved by all his servants: then be the king's son-in-law.