Presley also released non-album singles, including duets with her father using tracks he had released before he died.Presley was married to musician Danny Keough, singer Michael Jackson, actor Nicolas Cage, and music producer Michael Lockwood.When her father died in August 1977, nine-year-old Presley became joint heir to his estate with her grandfather, Vernon Presley, and her great-grandmother, Minnie Mae Hood Presley. Upon Vernon’s death in 1979 and Minnie Mae’s in 1980, she became the sole heir and inherited Graceland.