Who is Renesmee in the Twilight series?

Renesmee is Bella and Edwards daughter in the movie and book. This is there half vampire half human baby she grow and she has a beating heart. Even when she is 6 months old she looks about 2 and she has a power she can so people what she sees in photos she turns around Edwards power and she can so people. Also Jacob imprinted on her so they can't stay a way from each other!