Alice Cullen is a major character in Stephanie Meyer's Twilight book series.
She is the wife and soul mate of Jasper Hale, the sister of Cynthia Brandon, and the aunt of Cynthia's daughter (who is still alive and living in Biloxi), as well as the adoptive daughter of Carlisle and Esme Cullen. She is also the adoptive sister of Emmett and Edward Cullen, as well as Rosalie Hale. Alice is the adoptive sister-in-law of Bella Swan and the adoptive aunt of Renesmee Cullen, Edward and Bella's daughter. She is the daughter of Edgar John Brandon and Lillian Brandon.
Alice, Emmett, and Edward act as biological siblings in public.