Fiona Apple has one sister: Amber Maggart. Under the stage name Maude Maggart she is a successful cabaret singer specialized in singing standards of the 1920s and 1930s. Her latest album is a collaboration with Brent Spiner (known as Data in Star Trek).
The real names of the two sisters are Fiona Maggart and Amber Maggart. So what happened?
Their great-grandmother’s name was Maude Apple. Amber changed her first name in Maude (to fit the image of her music). And Fiona changed her last name in Apple (recommended by her recording company).