Matthew Henry on 2 Samuel 3:1-6
Here is, I. The struggle that David had with the house of Saul before his settlement in the throne was completed, Sa2 3:1. 1. Both sides contested. Saul's house, though beheaded and diminished, would not fall tamely. It is not strange between them, but one would wonder it should be a long war, when David's house had right on its side, and therefore God on its side; but, though truth and equity will triumph at last, God made for wise and holy ends prolonged the conflict. The length of this war tried the faith and patience of David, and made his establishment at last the more welcome to him. 2. David's side got ground. The house of Saul waxed weaker and weaker, lost places, lost men, sunk in i…
Read the whole note in the consoleJamieson-Fausset-Brown on 2 Samuel 3:2
unto David were sons born in Hebron--The six sons mentioned had all different mothers.
Adam Clarke on 2 Samuel 3:1
There was long war - Frequent battles and skirmishes took place between the followers of David and the followers of Ish-bosheth, after the two years mentioned above, to the end of the fifth year, in which Ish-bosheth was slain by Rechab and Baanah.
John Gill on 2 Samuel 3:2
And unto David were sons born in Hebron,.... He was married before he came there, had wives in his state of exile, but had no children by them there, at least no sons; if any, only daughters:
and his firstborn was Amnon, of Ahinoam the Jezreelitess; who being mentioned first, and her son his firstborn, seems to have been his wife before be took Abigail; he had not much comfort of this firstborn son of his; see 2 Samuel 13:1.
Keil & Delitzsch on 2 Samuel 3:2-5
Growth of the House of David. - Proof of the advance of the house of David is furnished by the multiplication of his family at Hebron. The account of the sons who were born to David at Hebron does not break the thread, as Clericus, Thenius, and others suppose, but is very appropriately introduced here, as a practical proof of the strengthening of the house of David, in harmony with the custom of beginning the history of the reign of every king with certain notices concerning his family (vid., Sa2 5:13.; Kg1 3:1; Kg1 14:21; Kg1 15:2, Kg1 15:9, etc.). We have a similar list of the sons of David in Ch1 3:1-4. The first two sons were born to him from the two wives whom he had brought with him to…