2 Samuel 16:20-22
21 Ahithophel replied to Absalom, “Sleep with your father’s concubines he left to take care of the palace.(A) When all Israel hears that you have become repulsive to your father, everyone with you will be encouraged.”
22 So they pitched a tent for Absalom on the roof, and he slept with his father’s concubines in the sight of all Israel.(B)