after leah gave birth to simeon, levi and judah (biblical personage), bilhah gave birth to gad and asher, zilpah gave birth to dan and naphtali and leah gave birth to zebulun and issachar, then reuben found mandrakes and gave them to his mother leah. when rachel asked leah for the mandrakes,leah said “first you take from me my husband and now the mandrakes of my son” and agreed to give rachel the mandrakes if leah became jacob’s main wife.