2 Samuel 13:1-3

Young's Literal Translation

13 And it cometh to pass afterwards that Absalom son of David hath a fair sister, and her name [is] Tamar, and Amnon son of David loveth her.

² And Amnon hath distress -- even to become sick, because of Tamar his sister, for she [is] a virgin, and it is hard in the eyes of Amnon to do anything to her.

³ And Amnon hath a friend, and his name [is] Jonadab, son of Shimeah, David's brother, and Jonadab [is] a very wise man,