2 Samuel 16:21–22
21 Ahithophel said to Absalom, “Go in to lyour father’s concubines, whom he has left to keep the house, and all Israel will hear that you have made yourself a stench to your father, and mthe hands of all who are with you will be strengthened.” 22 So they pitched a tent for Absalom non the roof. And Absalom went in to his father’s concubines oin the sight of all Israel.
2 Samuel 20:3
3 And David came to his house at Jerusalem. And the king took gthe ten concubines whom he had left to care for the house and put them in a house under guard and provided for them, but did not go in to them. So they were shut up until the day of their death, living as if in widowhood.