'Concubines' in the Bible

but to the sons of his concubines, Abraham gave gifts while he was still living, and sent them away from his son Isaac eastward, to the land of the east.

Meanwhile David took more concubines and wives from Jerusalem, after he came from Hebron; and more sons and daughters were born to David.

So the king went out and all his household with him. But the king left ten concubines to keep the house.

Ahithophel said to Absalom, “Go in to your father’s concubines, whom he has left to keep the house; then all Israel will hear that you have made yourself odious to your father. The hands of all who are with you will also be strengthened.”

So they pitched a tent for Absalom on the roof, and Absalom went in to his father’s concubines in the sight of all Israel.

Then Joab came into the house to the king and said, “Today you have covered with shame the faces of all your servants, who today have saved your life and the lives of your sons and daughters, the lives of your wives, and the lives of your concubines,

Then David came to his house at Jerusalem, and the king took the ten women, the concubines whom he had left to keep the house, and placed them under guard and provided them with sustenance, but did not go in to them. So they were shut up until the day of their death, living as widows.

He had seven hundred wives, princesses, and three hundred concubines, and his wives turned his heart away.

All these were the sons of David, besides the sons of the concubines; and Tamar was their sister.

Rehoboam loved Maacah the daughter of Absalom more than all his other wives and concubines. For he had taken eighteen wives and sixty concubines and fathered twenty-eight sons and sixty daughters.

In the evening she would go in and in the morning she would return to the second harem, to the custody of Shaashgaz, the king’s eunuch who was in charge of the concubines. She would not again go in to the king unless the king delighted in her and she was summoned by name.

Also, I collected for myself silver and gold and the treasure of kings and provinces. I provided for myself male and female singers and the pleasures of men—many concubines.

“There are sixty queens and eighty concubines,And maidens without number;

But my dove, my perfect one, is unique:She is her mother’s only daughter;She is the pure child of the one who bore her.The maidens saw her and called her blessed,The queens and the concubines also, and they praised her, saying,

When Belshazzar tasted the wine, he gave orders to bring the gold and silver vessels which Nebuchadnezzar his father had taken out of the temple which was in Jerusalem, so that the king and his nobles, his wives and his concubines might drink from them.

Then they brought the gold vessels that had been taken out of the temple, the house of God which was in Jerusalem; and the king and his nobles, his wives and his concubines drank from them.

but you have exalted yourself against the Lord of heaven; and they have brought the vessels of His house before you, and you and your nobles, your wives and your concubines have been drinking wine from them; and you have praised the gods of silver and gold, of bronze, iron, wood and stone, which do not see, hear or understand. But the God in whose hand are your life-breath and all your ways, you have not glorified.