2 Samuel 4:7 in the King James Version
For when they came into the house, he lay on his bed in his bedchamber, and they smote him, and slew him, and beheaded him, and took his head, and gat them away through the plain all night.
Context
6 They came there into the middle of the house as though they would have fetched wheat, and they struck him in the body; and Rechab and Baanah his brother escaped.
7 Now when they came into the house as he lay on his bed in his bedroom, they struck him, killed him, beheaded him, and took his head, and went by the way of the Arabah all night.
8 They brought the head of Ishbosheth to David to Hebron, and said to the king, “Behold, the head of Ishbosheth, the son of Saul, your enemy, who sought your life! The LORD has avenged my lord the king today of Saul and of his offspring.”