Barrymore was born into the acting profession, coming from a long line of acting talent stretching back nearly 200 years; her great-great grandparents John Drew, Louisa Lane Drew, her great-grandparents Maurice Barrymore, Georgiana Drew and Maurice Costello, and her grandparents John Barrymore and Dolores Costello were all highly successful actors; John Barrymore was arguably the most acclaimed actor of his generation. She is the grand-niece of Lionel Barrymore, Ethel Barrymore (whom Winston Churchill once proposed to), and Helene Costello, and the great grandniece of John Drew, Jr., actress Louisa Drew, and silent film actor/writer/director Sidney Drew. Her father and half-brother are also actors. She is also the goddaughter of director Steven Spielberg.Her first name, Drew, was the maiden name of her paternal great-grandmother, Georgiana Drew; her middle name, Blyth, was the original surname of the dynasty founded by her great-grandfather, Maurice Barrymore.
