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The Real Housewives of New York City alum shared a vintage black-and-white photo of her late mother-in-law on Instagram on Sunday, February 17. "She was loved," Carole wrote in the caption to the photo. "Rest in Peace, Lee."
Carole also showed her gratitude for all of the messages of love and support she has received following Lee's passing. "Thank you for the kind words [and] comments," Carole shared on Instagram.
Lee passed away in her home in Manhattan on February 15. Her daughter, Anna Christina Radziwill, confirmed the death to The New York Times, citing natural causes. Lee was 85.
The younger sister of Jacqueline Kennedy Onassis, Lee made a name for herself as an international socialite and style icon. She married Prince Stanislas Radziwill of Poland in 1959. They had two children together, Prince Anthony and Princess Anna Christina. Lee and Prince Stanilas divorced in 1974, and he died in 1976 at the age of 62.
Carole married Lee's son, Anthony Radziwill, in 1994 after meeting while working at ABC News together. Anthony passed away in 1999 after a battle with cancer, just weeks after his cousin John F. Kennedy Jr. and wife Carolyn Bessette died in a plane crash in the Atlantic Ocean on July 16, 1999.
Carole always cherished her relationship with her mother-in-law, proudly displaying a vintage couch from the 1960s that Lee had gifted her in the living room of her Manhattan apartment, as fans saw on RHONY.
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