2 Samuel 13:22-26

But Absalom did not speak with Amnon either good or bad; for Absalom hated Amnon because he had violated his sister Tamar.

Now it came about after two full years that Absalom had sheepshearers in Baal-hazor, which is near Ephraim, and Absalom invited all the king’s sons to celebrate. Absalom Avenges Tamar

And Absalom came to the king and said, “Behold now, your servant has sheepshearers; may the king and his servants please go with your servant.”

But the king said to Absalom, “No, my son, we should not all go, so that we will not be a burden to you.” Though he urged him, he would not go; but he blessed him.

Then Absalom said, “If not, please have my brother Amnon go with us.” But the king said to him, “Why should he go with you?”