The Cullen family, the volturi and Jacob black know that Bella is a vampire.
Bella tells Edward she knows he's a vampire in the meadow scene in the movie, while they are discussing his supernatural abilities and urges.
He does not know about vampires, but he knows Jacob is a werewolf.
Bella's unexpected visitor is Jacob. his father sent him because he knows edward is a vampire.
In new moon, Aro lets Bella go because she has promised to become a vampire. Aro then sees Alice's vision of Bella as a vampire so he knows it will happen.
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Edward and Bella's Daughter is both Human and vampire ,no its not edward bit Bella so Bella is a vampire then they had a baby and the baby is a vampire because both edward and Bella are vampire parents!
im not sure... it's nver clearly stated, but he knows SOMETHING is goin on. he knows Jake is a werewolf at least, and he hugs Bella and stuff when she's a vampire.... you DO know she turns into a vampire rite?
Bella is dieing because she is pregnant with a baby vampire. When the baby is being born it is completely killing her. Edward knows the only way to save her is to turn her into a vampire, because vampires very rarely die. So Edward bites her, and she becomes a vampire.
In Breaking Dawn, Edward turns Bella into a vampire.
In the book "Twilight" by Stephenie Meyer, Bella first directly confronts Edward about being a vampire in Chapter 13 when they are in the meadow. Bella tells Edward that she knows he's a vampire after making the connection between his unusual behavior and abilities displayed in different situations.
She knows to much and must either die or become an immortal, a vampire.
No, they don't. Because Bella need to protect them from the Volturi, so they must not know Bella is a vampire.