2 Samuel 3:7

3:7 Now Saul had a concubine named Rizpah daughter of Aiah. Ish-bosheth said to Abner, “Why did you have sexual relations with my father’s concubine?”

2 Samuel 16:19

16:19 Moreover, whom should I serve? Should it not be his son? Just as I served your father, so I will serve you.”

2 Samuel 16:22

16:22 So they pitched a tent for Absalom on the roof, and Absalom had sex with his father’s concubines in the sight of all Israel.