2 Samuel 5:8

5:8 David said on that day, “Whoever attacks the Jebusites must approach the ‘lame’ and the ‘blind’ who are David’s enemies by going through the water tunnel.” For this reason it is said, “The blind and the lame cannot enter the palace.”

2 Samuel 13:32

13:32 Jonadab, the son of David’s brother Shimeah, said, “My lord should not say, ‘They have killed all the young men who are the king’s sons.’ For only Amnon is dead. This is what Absalom has talked about from the day that Amnon humiliated his sister Tamar.

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.