Schlossberg, 35, revealed in November diagnosis of rare mutation of cancer of blood and bone marrow Tatiana Schlossberg, granddaughter of the 35th US president, John F Kennedy, died on Tuesday after revealing in November she had been diagnosed with a rare form of leukemia. She was 35. Her passing was announced in a social media post by the John F Kennedy Presidential Library and Museum. “Our beautiful Tatiana passed away this morning. She will always be in our hearts,” the post said. Continue reading...