1 Samuel 18:21

This day, i.e. suddenly, within a time which probably Saul prefixed. In the one of the twain: whereas I have only two daughters, and thou wast disappointed of thy expectation in the one by an unexpected accident, thou shalt certainly have the other, which is the same thing. Heb. in the twain. Thus the cities of Gilead is put for one of them, Judges 12:7; and the sides of the ship for one of the sides, Jonah 1:5. Or he saith in the twain, or in both, because he was in effect betrothed to the one, and should be married to the other, and so was I his son-in-law upon a double account.