Lisa Marie, the only child of Elvis, died on January 12 at the age of 54, after being rushed to the hospital following a cardiac episode. Her mother, Priscilla Presley, confirmed her death in a statement.
"It is with a heavy heart that I must share the devastating news that my beautiful daughter Lisa Marie has left us," Priscilla announced.
"She was the most passionate strong and loving woman I have ever known," she continued. "We ask for privacy as we try to deal with this profound loss. Thank you for the love and prayers. At this time there will be no further comment."
Presley is survived by both Priscilla and Riley, as well as her twin daughters Harper and Finley, 14; she had a son Benjamin, who died in 2020.
During her memorial service on Sunday, Riley’s husband Ben Smith-Petersen revealed the couple welcomed a daughter sometime in 2022m while reading a tribute to Presley on the behalf of Keough.
In her open letter to her late mother, the "Mad Max: Fury Road" star wrote she hoped to "love my daughter the way you loved me" towards the end of her tribute.
"I remember how safe it felt to be in your arms. I remember that feeling as a child and I remember it two weeks ago on your couch," he said, before confirming the couple's child. "Thank you for showing me that love is the only thing that matters in this life. I hope I can love my daughter the way you loved me, the way you loved my brother and my sisters."