For the first time, Priscilla Presley talks up about the heartbreaking death of her daughter Lisa Marie.

According to a family representative, Lisa Marie Presley, Elvis Presley’s only child, died on Thursday. She was born in 1954.

“It is with a heavy heart that I must convey the heartbreaking news that my beautiful daughter Lisa Marie has left us,” Priscilla Presley said in a statement by the Associated Press. “She was the zealous, strongest, and loving woman I’d ever known.”

The Presley family is “shocked and devastated by the unexpected demise of their beloved Lisa Marie,” according to Priscilla Presley’s spokesperson Sam Mast in a statement to ABC News.