Tatiana Schlossberg, granddaughter of the 35th U.S. president, John F. Kennedy, died on Tuesday (December 30, 2025) aft revealing successful a November effort that she had been diagnosed with a uncommon signifier of leukemia. She was 35.
Her passing was announced by her household in a societal media station from the John F. Kennedy Presidential Library and Museum.
“Our beautiful Tatiana passed distant this morning. She volition ever beryllium successful our hearts,” the family wrote.
Schlossberg was a climate alteration and biology writer and the 2nd kid of JFK’s daughter, erstwhile U.S. diplomat Caroline Kennedy, and the designer-artist Edwin Schlossberg.
In a New Yorker effort published successful November, Schlossberg said she had been diagnosed with acute myeloid leukemia with a uncommon mutation, a crab of the humor and bony marrow.
At the time, she besides criticized her relative Robert F. Kennedy Jr., the U.S. wellness secretary, for being a vaccine skeptic and cutting backing for crab research.

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