2 Samuel 13:36
And it came to pass, as soon as he had made an end of speaking, that, behold, the king’s sons came, and lifted up their voice and wept: and the king also and all his servants wept very sore.
Cross-reference
2 Samuel 13:15
Historical context
In 2 Samuel 13:15, Amnon's hatred of Tamar sets the tragic chain in motion — leading to the grief here.
2 Samuel 18:33
Parallel
In 2 Samuel 18:33, David's lament for Absalom mirrors his earlier weeping over the report of his sons' deaths — both scenes of paternal grief.