Lisa Marie Presley's son and Elvis Presley's grandson, Benjamin Keough, has died of an apparent suicide ... TMZ has learned. Law enforcement sources tell us Ben appears to have died Sunday in Calabasas from a self-inflicted gunshot wound. Read more https://www.tmz.com/2020/07/12/lisa-marie-presley-son-benjamin-keough-dead-dies-suicide-elvis/ 3:57 PM PT -- Lisa's manager, Roger Widynowski, tells TMZ ... "She is completely heartbroken, inconsolable and beyond devastated but trying to stay strong for her 11 year old twins and her oldest daughter Riley. She adored that boy. He was the love of her life."