Who is Clara van den Meer from Confessions of an Ugly Stepsister and what is their importance?

Clara is the only daughter of Henrika and Cornelius van den Meer. She possesses a radiant beauty that is admired by everyone she encounters. Clara was abducted when she was three or four years old and taken to a windmill. Her parents received a ransom, which they paid to get her back. It cost them a significant amount of their then considerable fortune. Clara believes that the experience made her into a changeling. Since her kidnapping, she is not allowed to leave the house.