First Name: Renesmee (Ruh-nes-may)
Middle Name: Carlie (Car-lee)
Last Name: Cullen/Masen
Full name: Renesmee Carlie Cullen
Her first name is a combined form of Renee (Bella's mother) and Esme (Edward's adopted mother) ; her middle name is a combined form of Carlisle (Edward's adoptive father) and Charlie (Bella's father).