In Breaking Dawn, she marries Edward on August 13, 2006 and becomes a member of the Olympic coven. She is transformed into a vampire by Edward after nearly dying giving birth to their daughter, Renesmee Cullen, a human/vampire hybrid. Bella is the daughter-in-law of Edward, Sr.

Does Bella become a vampire in Breaking Dawn Part 1 or 2?

She marries Edward in this instalment and, soon after, falls pregnant with his child, eventually giving birth to a half-vampire, half-human daughter. This is the film where Bella also becomes a vampire due to Edward's venom penetrating her heart and to save her life after giving birth to Renesmee.

Does Bella's dad know she's a vampire?

After Bella has become a vampire, Jacob tells him about the underlying supernatural world and Bella's involvement with it, although without informing him directly that she has become a vampire. Despite the shock caused by the change, he learns to cope with it and ultimately remains a part of her new life.