Raenella's whole life, she had followed the Lannister's and the King. She was the Ward of the King, she was basically his prisoner. She was taken when she strayed to far away from her brother, Viserys, and her twin sister, Daenerys. She was sent to the King and became his ward so he could keep an eye on her. Now she, along with everyone in the realm, is playing the Game of Thrones.