2 Samuel 13:11-21

11 When she handed it to him to eat, he grabbed her and said, "Come to bed with me, Tamar!"
12 "No," she told him, "don't rape me! That shouldn't be done in Israel. Don't do this godless act!
13 Where could I go in my disgrace? And you will be considered one of the godless fools in Israel! Speak to the king. He won't refuse your request to marry me."
14 But Amnon wouldn't listen to her. He grabbed his sister and raped her.
15 Now, Amnon developed an intense hatred for her. His hatred for her was greater than the lust he had felt for her. "Get out of here," he told her.
16 She said to him, "No, sending me away is a greater wrong than the other thing you did to me!" But he wouldn't listen to her.
17 Then he called his personal servant and said, "Get rid of her. Put her out, and bolt the door behind her."
18 (She was wearing a long-sleeved gown. The king's virgin daughters wore this kind of robe.) So his servant took her out and bolted the door behind her.
19 Tamar put ashes on her head, tore the long-sleeved gown she had on, put her hands on her head, and went away crying.
20 Her brother Absalom asked her, "Has your brother Amnon been with you? Sister, be quiet for now. He's your brother. Don't dwell on this matter." So Tamar stayed there at the home of her brother Absalom and was depressed.
21 When King David heard about this, he became very angry. But David didn't punish his son Amnon. He favored Amnon because he was his firstborn son.