Bereshis 29:29-31

Orthodox Jewish Bible

²⁹ And Lavan gave to his bat Rachel Bilhah his shifchah to be her shifchah.

³⁰ And he went in also unto Rachel, and he loved also Rachel more than Leah, and served him yet sheva shanim acherot.

³¹ And when Hashem saw that Leah was hated, He opened her womb but Rachel was barren.