2 Samuel 3:19 (BSB)

Abner also spoke to the Benjamites. Then he went to Hebron to tell David all that seemed good to Israel and to the whole house of Benjamin.

From 2 Samuel 3. Also in the ESV.

Commentary on 2 Samuel 3:19

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on 2 Samuel 3:7-21: Here, I. Abner breaks with Ish-bosheth, and deserts his interest, upon a little provocation which Ish-bosheth unadvisedly gave him. God can serve his own purposes by the sins and follies of men. 1. Ish-bosheth accused Abner of no less a crime than debauching one of his father's concubines, Sa2 3:7.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on 2 Samuel 3:19: And Abner also spake in the ears of Benjamin,.... Of the inhabitants of the tribe of Benjamin, of which tribe he was, and among whom he had the greatest influence; and with whom it was necessary to take some pains, because of their attachment to the family of Saul, which was of that tribe; and being near to that of Judah, might give David a...
• Geneva Bible Notes (Reformed), Geneva Bible Study Notes on 2 Samuel 3:19: And Abner also spake in the ears of Benjamin: and Abner went also to speak in the ears of David in Hebron all that seemed good to Israel, and that seemed good to the whole house of Benjamin. (g) Who challenged the kingdom, because of their father Saul.
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on 2 Samuel 3:6-39: 2Sa 3:6-39 Decline of the House of Saul. - 2Sa 3:6-11. Abner’s quarrel with Ishbosheth. - During the war between the house of Saul and the house of David, Abner adhered firmly to the house of Saul, but he appropriated one of Saul’s concubines to himself.