In Chapter 29, we see that Jacob finally reaches his destination of Laban's house and he meets his future wife or so he thought, he agrees to serve Laban 7 years for Rachel but is tricked out of her and ends up with Leah. He serves another 7 years for Rachel and she is given unto him, he serves another 7years after he acquires Rachel. Leah realizes that she is hated by Jacob but the Lord blesses her to have his children while Rachel remains barren. Reuben, Simeon, Levi, Judah are the children of the Leah and Jacob.