Lee Radziwill: Remembering the Life and Passing of Jackie Kennedy's Sister

As of my limited knowledge up to April 2023, Lee Radziwill, younger sister of former US first lady Jacqueline Kennedy Onassis, passed away on February 15, 2022, at the age of 85. The specific cause of her death has not been publicly disclosed, so I cannot provide information on whether she was suffering from a disease.