This history is inserted as that which encouraged these men to this wicked murder, because Saul’s family was now reduced to a low ebb; and if Ish-bosheth was dispatched, there would be none left but a lame child, who was altogether unfit to manage the kingdom, especially in so troublesome a time as this was; and therefore the crown must necessarily come to David by their act and deed, for which they promised themselves no small recompence.
Jezreel; the place of that last and fatal fight, 1Sa_29:1.
Mephibosheth; called also Merib-baal, 1Ch_8:34. See Poole "2Sa_2:8".