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 3:6
ABNER REVOLTS TO DAVID. (Sa2 3:6-12)
Abner made himself strong for the house of Saul--In the East, the wives and concubines of a king are the property of his successor to this extent, that for a private person to aspire to marry one of them would be considered a virtual advance of pretensions to the crown (see Kg1 2:17). It is not clear whether the accusation against Abner was well or ill founded. But he resented the charge as an indignity, and, impelled by revenge, determined to transfer all the weight of his influence to the opposite party. He evidently set a full value on his services, and seems to have lorded it over his weak nephew in a haughty, overbearing manner.
Adam Clarke on 2 Samuel 3:6
Abner made himself strong - This strengthening of himself, and going in to the late king's concubine, were most evident proofs that he wished to seize upon the government. See Kg1 2:21, Kg1 2:22; Kg1 12:8; Kg1 16:21.
John Gill on 2 Samuel 3:6
And it came to pass, while there was war between the house of Saul and the house of David,.... As long as that continued, as it did until the following quarrel happened between Ishbosheth and Abner:
that Abner made himself strong for the house of Saul; or was strongly in the interest of that house, and used his utmost endeavours to support and confirm it.