Image Credit: Penske Media via Getty Images Tatiana Schlossberg, granddaughter of John F. Kennedy and daughter of Caroline Kennedy and Edwin Schlossberg, revealed she has a rare, terminal illness. She is 35. Tatiana received her diagnosis last year when she was 34 and had just given birth to her second child. "When I was diagnosed with leukemia, my first thought was that this couldn't be happening to me, to my family," Tatiana penned in an essay published by The New Yorker on November 22, 2025. Keep reading to learn about Tatiana's illness and how she's managing it.