After two full years Absalom had 1sheepshearers at Baal-hazor, which is near Ephraim, and Absalom invited all the king's sons.
References for 2 Samuel 13:23
And Absalom came to the king and said, "Behold, your servant has sheepshearers. Please let the king and his servants go with your servant."
But the king said to Absalom, "No, my son, let us not all go, lest we be burdensome to you." He pressed him, but he would not go but gave him his blessing.
Then Absalom said, "If not, please let my brother Amnon go with us." And the king said to him, "Why should he go with you?"
But Absalom pressed him until he let Amnon and all the king's sons go with him.
Then Absalom commanded his servants, "Mark when Amnon's 2heart is merry with wine, and when I say to you, 'Strike Amnon,' then kill him. Do not fear; have I not commanded you? Be courageous and be valiant."
References for 2 Samuel 13:28
So the servants of Absalom did to Amnon as Absalom had commanded. Then all the king's sons arose, and each mounted his mule and fled.
While they were on the way, news came to David, "Absalom has struck down all the king's sons, and not one of them is left."
Then the king arose and 3tore his garments and 4lay on the earth. And all his servants who were standing by tore their garments.
References for 2 Samuel 13:31
But 5Jonadab the son of Shimeah, David's brother, said, "Let not my lord suppose that they have killed all the young men, the king's sons, for Amnon alone is dead. For by the command of Absalom this has been determined from the day he violated his sister Tamar.
References for 2 Samuel 13:32
Now therefore let not my lord the king so 6take it to heart as to suppose that all the king's sons are dead, for Amnon alone is dead."
References for 2 Samuel 13:33