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-reference
1 Samuel 17:54
Parallel
In 1 Samuel 17:54, David also takes Goliath's head as a trophy — both involve beheading a defeated enemy and taking the head.
1 Samuel 31:9
Parallel
In 1 Samuel 31:9, the Philistines cut off Saul's head and display it — both describe beheading a king of Israel and taking the head.
2 Kings 10:7
Parallel
In 2 Kings 10:7, the heads of Ahab's sons are brought to Jehu — both present severed heads to a leader as proof of assassination.
Matthew 14:11
Parallel
In Matthew 14:11, John the Baptist's head is brought on a platter — both describe a severed head being presented after a killing.
Mark 6:28
Parallel
In Mark 6:28, John the Baptist's head is also brought on a platter — same parallel of presenting a severed head.