2 Samuel 4:7
"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."
Cross References (ranked by relevance)
1 Samuel 17:54
And David took the head of the Philistine, and brought it to Jerusalem; but he put his armour in his tent.
Matthew 14:11
And his head was brought in a charger, and given to the damsel: and she brought it to her mother.
2 Samuel 2:29
And Abner and his men walked all that night through the plain, and passed over Jordan, and went through all Bithron, and they came to Mahanaim.
1 Samuel 31:9
And they cut off his head, and stripped off his armour, and sent into the land of the Philistines round about, to publish it in the house of their idols, and among the people.