[1] She was born Éva Klein in Budapest, Hungary, to a Jewish father and Catholic mother.
Her father died during the war, and her mother changed the family surname to avoid detection by the Nazis.
She and her husband fled Hungary following the 1956 uprising and moved to Hollywood in 1960.
[2] James H. Nicholson of American International Pictures put her under contract and changed her name to "Eva Six".
[3] After retiring from acting, she and her husband, architect Roy Schmidt, moved back to Budapest, where she died in the early 2000s; she was reported as having died "a few years ago" by the time of Roy Schmidt's death in 2006, as published on his obituary in Los Angeles Times.