Benjamin Keogh, son of Lisa Marie Presley and grandson of Elvis and Priscilla Presley, died yesterday of an apparent suicide. According to law enforcement, the 27-year-old, whose father is musician Danny Keogh and sister is actress Riley Keogh, died in California from a self-inflicted gunshot wound. Like his grandfather, mother and father, Benjamin was a musician, and landed a record deal back in 2009.