Genesis 30:14-16

14During the wheat harvest Reuben went out into the fields and found some mandrakes. He brought them to his mother Leah. Rachel said to Leah, “Please give me some of your son’s mandrakes.”

15Leah replied, “Isn’t it enough that you took my husband? Are you also going to take my son’s mandrakes?” Rachel said, “Very well, Jacob can go to bed with you tonight in return for your son’s mandrakes.”

16As Jacob was coming in from the fields that evening, Leah went out to meet him. “You are to sleep with me,” she said. “You are my reward for my son’s mandrakes.” So he went to bed with her that night.