Who was Tatiana Schlossberg and how did a rare form of blood cancer end her life?

Tatiana Schlossberg was an accomplished American environmental journalist and the granddaughter of President John F. Kennedy and First Lady Jacqueline Kennedy Onassis. She passed away on December 30, 2025, at the age of 35. Her death followed a terminal diagnosis of acute myeloid leukemia (AML) with a rare genetic mutation known as Inversion 3.