Sian Henderick

The real crown prince. At first he tried to help SeiAnn get closer to Prince Joon but it turned out that the prince SeiAnn was looking for was Sian. He ordered SeiAnn to spy on Joon although it was against her will. Shion YuJen and Joon share the same father but YuJen and Joon have a different mother. Shion039s mother Adelle Morianne is dead but Joon and YuJen039s mother Lorraine Muirla is alive.And he also claims that SeiAnn039s prince is him and only him. Source: Wikipedia