Deuteronomy 21:15

“If a man has two wives, one loved and the other unloved, and both the loved and the unloved have born him sons, and the firstborn son belongs to the unloved wife,

Genesis 29:33

Then she conceived again and gave birth to a son and said, “Because the Lord heard that I am unloved, He has given me this son also.” So she named him Simeon (God hears).

1 Samuel 1:4-5

When the day came that Elkanah sacrificed, he would give portions [of the sacrificial meat] to Peninnah his wife and all her sons and daughters.

Genesis 29:18

Jacob loved Rachel, so he said, “I will serve you [as a hired workman] for seven years [in return] for [the privilege of marrying] Rachel your younger daughter.”

Genesis 29:20

So Jacob served [Laban] for seven years for [the right to marry] Rachel, but they seemed like only a few days to him because of his love for her.

Genesis 29:30-31

So Jacob consummated his marriage and lived with Rachel [as his wife], and he loved Rachel more than Leah, and he served with Laban for another seven years.

Treasury of Scripture Knowledge

Summary

Deuteronomy 21:15

If a man have two wives, one beloved, and another hated, and they have born him children, both the beloved and the hated; and if the firstborn son be hers that was hated:

Two wives

Genesis 29:18

1 Samuel 1:4

Bible References

Two wives

Jacob loved Rachel, so he said, “I will serve you [as a hired workman] for seven years [in return] for [the privilege of marrying] Rachel your younger daughter.”

When the day came that Elkanah sacrificed, he would give portions [of the sacrificial meat] to Peninnah his wife and all her sons and daughters.