Genesis 16:3
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 12:4-5
So Abram went, as the LORD had told him, and Lot went with him. Abram was seventy-five years old when he departed from Haran.
Genesis 16:5
And Sarai said to Abram, "May the wrong done to me be on you! I gave my servant to your embrace, and when she saw that she had conceived, she looked on me with contempt. May the LORD judge between you and me!"
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 28:9
Esau went to Ishmael and took as his wife, besides the wives he had, Mahalath the daughter of Ishmael, Abraham's son, the sister of Nebaioth.
Genesis 30:4
So she gave him her servant Bilhah as a wife, and Jacob went in to her.
Genesis 30:9
When Leah saw that she had ceased bearing children, she took her servant Zilpah and gave her to Jacob as a wife.
Genesis 32:22
The same night he arose and took his two wives, his two female servants, and his eleven children, and crossed the ford of the Jabbok.
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.
Judges 19:1-4
In those days, when there was no king in Israel, a certain Levite was sojourning in the remote parts of the hill country of Ephraim, who took to himself a concubine from Bethlehem in Judah.
2 Samuel 5:13
And David took more concubines and wives from Jerusalem, after he came from Hebron, and more sons and daughters were born to David.
1 Kings 11:3
He had 700 wives, princesses, and 300 concubines. And his wives turned away his heart.
Galatians 4:25
Now Hagar is Mount Sinai in Arabia; she corresponds to the present Jerusalem, for she is in slavery with her children.