Cynthia
her name is Cynthia :)
Mary then her middle name was Alice
Cynthia
Cynthia Brandon
Alice had a little sister named Cynthia. Alices sister's name is Cynthia Brandon. In New moon Cynthia's daughter (alice's neice) is still alive.
Alice Cullen or Mary Alice Brandon was her human name.
Mary Alice Brandon (Answer from www.twilightlexicon.com).
Alice's sister's full name while she was human in Twilight was Cynthia Brandon.
Ashley Greene
Alice's sisters name is rosalie.
Ashley Greene <peace>