Riley Keough
Born in Santa Monica , California to musicians Lisa Marie Presley and Danny Keough , she is the eldest grandchild of Elvis and Priscilla Presley . 
<triplet> Lisa Marie Presley <subj> Priscilla Presley <obj> mother <triplet> Elvis <subj> Lisa Marie Presley <obj> child <subj> Priscilla Presley <obj> spouse <triplet> Priscilla Presley <subj> Elvis <obj> spouse