Jack Schlossberg breaks his silence in the face of his sister’s untimely death, Tatiana Schlossberg.
Jack, 32, did Instagram on Monday, January 5 to share a tribute to his late sister. The post included several inspirational quotes, including one from Tatiana herself.
“It’s up to us to create a country that takes seriously its obligations to the planet, to each other, and to the people who will be born into a world that looks different than ours has for the past 10,000 years,” Tatiana wrote in her 2019 book. Discreet consumption.
The quote continued: “Essentially, what I’m describing is hard work with possibly limited success for the rest of your life. But we have to do it, and at least we’ll have the satisfaction of knowing we’ve made things better.”
Tatiana Schlossberg’s brother Jack Schlossberg is showing his support after his sister revealed her terminal cancer diagnosis. On Saturday, November 22, Tatiana, 35, revealed in an essay titled “A Battle with My Blood,” published by The New Yorker, that she was diagnosed with acute myeloid leukemia after welcoming her second baby in May 2024. In (…)
Jack also included quotes from his grandfather and former president Tatiana John F. Kennedyas well as Herman Melville, Alfred Lord Tennyson, Buddha, Abraham Lincoln, Robert Frost and more The final image in Jack’s post was a throwback photo of the brothers.
At the end of December 2025, the news broke that Tatiana died after a battle with cancer. He was 35 years old.
“Our beautiful Tatiana passed away this morning. She will always be in our hearts,” the JFK Library Foundation shared on December 30, 2025, in a statement via Instagram signed by Tatiana’s husband. Jordi Moranchildren Edwin, 3, and Josephine, 19, parents Caroline Kennedy i Edwin Schlossbergbrothers, Jack and Rose Schlossberg and sister-in-law Rory Schlossberg.
A month before his tragic death, Tatiana revealed in an essay by The New Yorker who diagnosed him with acute myeloid leukemia and gave him only one year to live.
“I didn’t believe it, I couldn’t, believe they were talking about me. I swam a mile in the pool the day before, nine months pregnant. I wasn’t sick. I didn’t feel bad. I was actually one of the healthiest people I knew,” she wrote in November 2025. “I had a son who I loved more than anything and needed to take care of a newborn.”
Following the news of Tatiana’s death, several members of the Kennedy family honored to the late environmental journalist.
Members of the Kennedy family are paying their respects after their relative Tatiana Schlossberg died at the age of 35. Tatiana, the youngest daughter of Caroline Kennedy and Edwin Schlossberg, died on December 30, 2025, after a battle with cancer. “Our beautiful Tatiana passed away this morning,” read a statement shared by the JFK Library Foundation. “She will (…)
“I can’t make sense of this. I can’t find any sense in it. None. Zero,” Tatiana’s cousin Mary Shriver he wrote via Instagram. “Tatiana was a great journalist and used her words to educate others about the earth and how to save it. She created a beautiful life with her extraordinary husband George and children Eddie and Josie. She fought like a warrior. She was brave, strong (and) brave.”
Before Monday, the The Kennedy family reunited in New York City for Tatiana’s funeral. The private service was held at St. Ignatius of Loyola Church on the Upper East Side. Moran, Edwin, Josephine and more attended.
That same day, the Kennedy family shared a never-before-seen photo of Tatiana posing with loved ones before her death.
“As we remember Tatiana and celebrate her life, our hearts go out to her family and all who loved her,” read the caption of an Instagram post shared by the JFK Library Foundation.