Genesis 30:4
So she gave him her servant Bilhah as a wife, and Jacob went in to her.
Genesis 16:3-4
So, after Abram had lived ten years in the land of Canaan, Sarai, Abram's wife, took Hagar the Egyptian, her servant, and gave her to Abram her husband as a wife.
Genesis 21:10
So she said to Abraham, "Cast out this slave woman with her son, for the son of this slave woman shall not be heir with my son Isaac."
Genesis 22:24
Moreover, his concubine, whose name was Reumah, bore Tebah, Gaham, Tahash, and Maacah.
Genesis 25:1
Abraham took another wife, whose name was Keturah.
Genesis 25:6
But to the sons of his concubines Abraham gave gifts, and while he was still living he sent them away from his son Isaac, eastward to the east country.
Genesis 33:2
And he put the servants with their children in front, then Leah with her children, and Rachel and Joseph last of all.
Genesis 35:22
While Israel lived in that land, Reuben went and lay with Bilhah his father's concubine. And Israel heard of it. Now the sons of Jacob were twelve.
2 Samuel 12:11
Thus says the LORD, 'Behold, I will raise up evil against you out of your own house. And I will take your wives before your eyes and give them to your neighbor, and he shall lie with your wives in the sight of this sun.