These are the following royal family members.

Queen Elizabeth Lightwood, played
by me!

King Robert Lightwood: ImperfectBookWorm

Princess Diana Lightwood (older sister): itskbabyxoxo

Princess Anne Lightwood (younger sister): em_weirdness

Alexander Lightwood (selected prince): emo-melody

Prince Brandon Lightwood (rebellious brother): SlytherclawGirl2

Prince Timothy Lightwood (5 year old brother): MeeepMooop

Honestly, its not even a form. Just tell me who you want to be! If you be a royal you must swear you wont say who is getting eliminated. Just to clarify only Prince Alexander is looking for a bride, no one else!