And when Ahithophel saw that his counsel was not followed, he saddled his donkey, and arose, and got him home to his house, to his city, and put his household in order, and hanged himself, and died, and was buried in the sepulcher of his father.
All Commentaries on 2 Samuel 17:23 Go To 2 Samuel 17
George Leo Haydock
AD 1849
Order, making his will. (Menochius)
Hanged himself. Some Rabbins pretend that he died of quinsey, or suffocated with grief. But it is almost universally believed that he set a pattern to Judas, the traitor, in this mode of dying, as well as in perfidy. He was aware that Absalom was undone, and vexed that his counsel had been disregarded. The most prudent of this world are often blind to their own welfare. The Jews had not yet begun to refuse the rites of sepulture to suicides. (Calmet)