Deuteronomy 21:15
"If a man has two wives, the one loved and the other unloved, and both the loved and the unloved have borne him children, and if the firstborn son belongs to the unloved,
Genesis 29:33
She conceived again and bore a son, and said, "Because the LORD has heard that I am hated, he has given me this son also." And she called his name Simeon.
1 Samuel 1:4-5
On the day when Elkanah sacrificed, he would give portions to Peninnah his wife and to all her sons and daughters.
Genesis 29:18
Jacob loved Rachel. And he said, "I will serve you seven years for your younger daughter Rachel."
Genesis 29:20
So Jacob served seven years for Rachel, and they seemed to him but a few days because of the love he had for her.
Genesis 29:30-31
So Jacob went in to Rachel also, and he loved Rachel more than Leah, and served Laban for another seven years.