2 Samuel 4:7 (BSB)

They had entered the house while Ish-bosheth was lying on his bed, and having stabbed and killed him, they beheaded him, took his head, and traveled all night by way of the Arabah.

From 2 Samuel 4. Also in the ESV.

Commentary on 2 Samuel 4:7

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on 2 Samuel 4:1-8: Here is, I. The weakness of Saul's house. Still it grew weaker and weaker. 1. As for Ishbosheth, who was in possession of the throne, his hands were feeble, Sa2 4:1. All the strength they ever had was from Abner's support, and now that he was dead he had no spirit left in him.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on 2 Samuel 4:7: And they brought the head of Ishbosheth unto David to Hebron,.... Supposing it would have been a very acceptable present to him: and said to the king, behold the head of Ishbosheth the son of Saul thine enemy, which sought thy life; all which, his relation to Saul, his enmity to David, and his designs upon his life, are artfully put together to raise the...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on 2 Samuel 4:7: when they came into the house, he lay on his bed--Rechab and Baanah came in the heat of the day, when they knew that Ish-bosheth, their master, would be resting on his divan; and as it was necessary, for the reason just given, to have the corn the day before it was needed, their coming at that time, though it might be a little earlier...
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on 2 Samuel 4:7-8: 2Sa 4:7-8 Punishment of the murderers by David. - 2Sa 4:7. As the thread of the narrative was broken by the explanatory remarks in 2Sa 4:6, it is resumed here by the repetition of the words וגו ויּבאוּ: “They came into the house, as he lay upon his bed in his bed-chamber, and smote him, and slew him,” for the purpose of attaching the account...