NET

21 Saul said, “I will give her to him so that she may become a snare to him and so the hand of the Philistines may be against him.” So Saul said to David, “Today is the second time for you to become my son-in-law.”

Darby

21 And Saul said, I will give him her, that she may be a snare to him, and that the hand of the Philistines may be upon him. And Saul said to David, Thou shalt this day be my son-in-law a second time.

KJV

21 And Saul said, I will give him her, that she may be a snare to him, and that the hand of the Philistines may be against him. Wherefore Saul said to David, Thou shalt this day be my son in law in [the one of] the twain.