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Whose name was Tamar - Tamar was the daughter of David and Maacah, daughter of the king of Geshur, and the uterine sister of Absalom. Amnon was David's eldest son by Ahinoam. She was therefore sister to Amnon only by the father's side, i.e., half-sister; but whole sister to Absalom.

The history here, down to the end of 2 Samuel 23 (excepting a few particulars), is omitted in the Book of Chronicles.

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.