Genesis 29:25

22 and Laban gathereth all the men of the place, and maketh a banquet.

23 And it cometh to pass in the evening, that he taketh Leah, his daughter, and bringeth her in unto him, and he goeth in unto her;

24 and Laban giveth to her Zilpah, his maid-servant, to Leah his daughter, a maid-servant.

25 And it cometh to pass in the morning, that lo, it [is] Leah; and he saith unto Laban, `What [is] this thou hast done to me? for Rachel have I not served with thee? and why hast thou deceived me?`

26 And Laban saith, `It is not done so in our place, to give the younger before the first-born;

27 fulfil the week of this one, and we give to thee also this one, for the service which thou dost serve with me yet seven other years.`

28 And Jacob doth so, and fulfilleth the week of this one, and he giveth to him Rachel his daughter, to him for a wife;