Jack Schlossberg reflects on the loss of his sister, Tatiana Schlossberg, who died in December at age 35 after battling cancer.
Schlossberg, who is currently running to represent New York’s 12th Congressional District in the House of Representatives, recently spoke with vanity fair, Where he discussed how he didn’t deal with his sister’s death.
“I don’t think I’ll ever address it. I don’t think I ever will,” he said. “The world will never be the same for me, not only since her death but since her cancer diagnosis almost two years ago.”
Schlossberg added, “She was my best friend. We could finish each other’s sentences. And no one loved me or admired me more than my sister. So I miss her all the time. Every day I think about her. But it also really motivates me to do everything I can in every waking moment I have, because I realize that I could have just as easily been me, and I have a commitment to her, not just to myself, to make the most of my precious life and all that.” I have been gifted in this life to give back to others and ensure that we can fund treatment for the type of cancer that took her life and for other types of cancer.
He went on to say that the tragedy made him focus on making the most of his life, especially when it comes to following in his family’s footsteps and pursuing politics.
“I believe there is no higher calling than public service, and for me, I believe politics is a noble profession, and I would be great to serve this district in it,” Schlossberg said. “She wanted me to win, and I intend to honor her by doing so.”
Tatiana and Jack are the children of Caroline Kennedy and Edwin Schlossberg and the grandchildren of former President John F. Kennedy.
News of Tatiana’s death was announced on December 30 on the JFK Library Foundation’s Instagram. “Our beautiful Tatiana passed away this morning. She will always be in our hearts,” the post read, signed by “George, Edwin and Josephine Moran, Ed, Caroline, Jack, Rose and Rory.”
A month before her death, Tatiana revealed in an article for The New Yorker She was diagnosed with acute myeloid leukemia, which was discovered during the birth of her daughter in May 2024. Her treatment included months of chemotherapy and a bone marrow transplant. Her sister Rose was eligible for a stem cell transplant. While the cancer was in remission, it later relapsed.
“My brother was half-matched, but he kept asking every doctor if half-match was better, just in case,” Tatiana wrote.
“My parents, brother and sister have also been raising my children and sitting in different hospital rooms almost every day for the past year and a half,” she continued. “They held my hand without hesitation while I was suffering, trying not to show their pain and sadness in order to protect me from it. This was a great gift, even though I feel their pain every day.”
Tatiana graduated from Yale University and Oxford University. Throughout her career, she has worked as an environmental journalist, writing for publications such as New York Times, The Atlantic, The Washington Post, Vanity gallery And Bloomberg. She also wrote the book, Blurred consumption: the environmental impact you don’t know about.

