Isabella "Bella" Marie 天鹅 (later Isabella Marie Cullen) is a clumsy, accident-prone teenage girl who moves from Phoenix, Arizona, to Forks, Washington, to live with her father, Charlie. Though many boys are attracted to her when she arrives, she falls in 爱情 with Edward Cullen, a mysterious boy she discovers to be a vampire. In an attempt to protect Bella from his lifestyle, Edward leaves her. Bella falls into a depression and is comforted 由 her friend, Jacob Black. She comes to 爱情 Jacob as well, though not as deeply as she loves Edward. She eventually marries Edward and, after a complicated pregnancy, gives birth to their daughter, Renesmee, and becomes a vampire at age 18. After Bella's transformation, she has the ability to shield her and others' minds from mental attacks.