2 Samuel 12:31

12:31 He removed the people who were in it and made them do hard labor with saws, iron picks, and iron axes, putting them to work at the brick kiln. This was his policy with all the Ammonite cities. Then David and all the army returned to Jerusalem.

2 Samuel 12:1

Nathan the Prophet Confronts David

12:1 So the Lord sent Nathan to David. When he came to David, Nathan said, “There were two men in a certain city, one rich and the other poor.

2 Samuel 20:3

20:3 Then David went to his palace in Jerusalem. The king took the ten concubines he had left to care for the palace and placed them under confinement. Though he provided for their needs, he did not have sexual relations with them. They remained in confinement until the day they died, living out the rest of their lives as widows.