Second Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
3:31And David said to Joab, and to all the people that were with him: Rend your garments, and gird yourselves with sackcloths, and mourn before the funeral of Abner. And king David himself followed the bier.
Original from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.