Deuteronomy 21:15
"If a man has two wives where one is loved but the other is unloved, and both of them bear him sons, but the firstborn is the son of the unloved wife,
Genesis 29:33
Later, she conceived again, bore a son, and declared, "Because the LORD heard that I'm neglected, he gave me this one, too." So she named him Simeon.
1 Samuel 1:4-5
On the day when Elkanah offered sacrifices, he would give portions to his wife Peninnah and to all her sons and daughters,
Genesis 29:18
Jacob loved Rachel, so he made this offer to Laban: "I'll serve you for seven years for Rachel, your younger daughter."
Genesis 29:20
Jacob served seven years for Rachel, but it seemed like only a few days because of his love for her.
Genesis 29:30-31
Jacob also married Rachel, since he loved her. He served Laban another full seven years' work for Rachel.