You and Renesmee were born together as twins to Edward and Bella. The Cullen family was expecting one child, not two. It was a surprise when you were born, but it was a blessing since you were born a boy, and Renesmee was a girl, so Edward and Bella got a boy and a girl and you were named EJ. Edward, Jacob, two people that are important to your mother, Bella. You and Renesmee were born when Bella was still human, so you and Renesmee are half human, half vampire.
The Cullen family consists of Carlisle, Esme, Emmett, Rosalie, Jasper, Alice, and your parents, Edward and Bella. Carlisle is a top doctor in Forks Washington, and he is caring, loyal, and trustworthy, not to mention that he is powerful and he is your grandfather. Emmett is very strong and stubborn, and he is your uncle. Jasper used to be in a soldier in the Civil War, and he used to train newborn vampires, so he is pretty powerful, and he is your uncle. Alice is sly and intelligent, and she has the power to see the future, your aunt. Edward, your dad is loving and loyal, and he can read minds. Bella, your mom, has the power to use an invisible shield against any power and is very stubborn.