Cross reference
2 Samuel 20:8
8 When they were at the great stone which is in Gibeon, Amasa went before them. And Joab's garment that he had put on was girded unto him, and upon it a girdle with a sword fastened upon his loins in the sheath thereof; and as he went forth it fell out.
2 Samuel 2:13
13 And Joab the son of Zeruiah, and the servants of David, went out, and met together by the pool of Gibeon: and they sat down, the one on the one side of the pool, and the other on the other side of the pool.
2 Samuel 3:30
30 So Joab, and Abishai his brother slew Abner, because he had slain their brother Asahel at Gibeon in the battle.
2 Samuel 20:4-5
4 Then said the king to Amasa, Assemble me the men of Judah within three days, and be thou here present.
5 So Amasa went to assemble the men of Judah: but he tarried longer than the set time which he had appointed him.