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.
her name is Cynthia :)
Cynthia
Cynthia Brandon
Alice's sisters name is rosalie.
Alice's sister's full name while she was human in Twilight was Cynthia Brandon.
Cynthia
Mary Alice Brandon
Mary then her middle name was Alice
Alice Cullen or Mary Alice Brandon was her human name.
Mary Alice Brandon (Answer from www.twilightlexicon.com).
Ashley Greene
Ashley Greene <peace>