Genesis 29:29-31

New Century Version

²⁹ (Laban gave his slave girl Bilhah to his daughter Rachel to be her servant.) ³⁰ So Jacob had sexual relations with Rachel also, and Jacob loved Rachel more than Leah. Jacob worked for Laban for another seven years.

Jacob’s Family Grows

³¹ When the Lord saw that Jacob loved Rachel more than Leah, he made it possible for Leah to have children, but not Rachel.