2 Samuel 18:33
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 God I had died for you, O Absalom, my son, my son!
Nave's Topical Index—AKJV

2 Samuel 19:1-4
And it was told Joab, Behold, the king weeps and mourns for Absalom.
Nave's Topical Index—AKJV