Caterina Rose Williams is Maxime and Valerie's niece, and Daniella's cousin and Arthur's daughter. She is 9 years old, and as much as she wishes to be closer to her cousin Daniella, she is somewhat younger and Daniella still sees her as her baby cousin. She is Arthur's baby girl and he would give her the world, she is extremely spoiled. After spending time in jail, he saw how important family really was and became an amazing father. Daniella does gymastics and draws, and wants to be an actress or veterinarian when she grows up.