Commentaries
13:1-20 From henceforward David was followed with one trouble after another. Adultery and murder were David's sins, the like sins among his children were the beginnings of his punishment: he was too indulgent to his children. Thus David might trace the sins of his children to his own misconduct, which must have made the anguish of the chastisement worse. Let no one ever expect good treatment from those who are capable of attempting their seduction; but it is better to suffer the greatest wrong than to commit the least sin.
3. Jonadab, the son of Shimeah—or Shammah (1Sa 16:9). By the counsel and contrivance of this scheming cousin a plan was devised for obtaining an unrestricted interview with the object of his attachment.