Cross reference
2 Samuel 19:4
4 And the king covered his face, and the king cried with a loud voice, O my son Absalom, O Absalom, my son, my son!
2 Samuel 15:30
30 And David went up by the ascent of the `mount of' Olives, and wept as he went up; and he had his head covered, and went barefoot: and all the people that were with him covered every man his head, and they went up, weeping as they went up.
2 Samuel 18:33
33 And the king was much moved, and went up to the chamber over the gate, and wept: and as he went, thus he said, O my son Absalom, my son, my son Absalom! would I had died for thee, O Absalom, my son, my son!