Jack Schlossberg Shows Support After Sister Tatiana Reveals Terminal Cancer Diagnosis Days into His Congressional Campaign

Shortly after Tatiana Schlossberg revealed her terminal cancer diagnosis, her brother, Jack Schlossberg, offered a show of support.

In an essay published by The New Yorker on Saturday, Nov. 22, Tatiana, 35, shared that she was diagnosed with acute myeloid leukemia shortly after welcoming her second baby in May 2024. The daughter of Caroline Kennedy and Edwin Schlossberg said that after undergoing several treatments, she was told by her doctor that she has a year left to live.

Hours after it was published, Tatiana’s brother Jack, 32, shared a screenshot of the emotional essay, titled, “A Battle with My Blood,” along with the link to it, on his Instagram Stories. He also separately shared a screenshot of the essay’s opening paragraph.

After posting in support of his sister’s essay, Jack, who is currently running for Congress, also shared a short message, seemingly in response to her words.

“Life is short — let it rip,” the congressional candidate wrote on Instagram Stories over a picture of what appeared to be a close-up of a road. He followed it up with the same message, this time over a photo of the sky.

Less than two weeks earlier, Jack announced that he’s running for Congress. Following the news of longtime New York Rep. Jerry Nadler’s retirement, he announced his campaign in a Nov. 11 email to supporters and in an interview with The New York Times.

Tatiana, who shares a 3-year-old son and 1-year-old daughter with husband George Moran, mentioned both Jack and their older sister, Rose Schlossberg, in her New Yorker essay.

She expressed gratitude for Jack, Rose, 37, and their parents after thanking her husband for his support.

“George did everything for me that he possibly could,” she wrote. “He talked to all the doctors and insurance people that I didn’t want to talk to; he slept on the floor of the hospital.”

She continued, “My parents and my brother and sister, too, have been raising my children and sitting in my various hospital rooms almost every day for the last year and a half. They have held my hand unflinchingly while I have suffered, trying not to show their pain and sadness in order to protect me from it.”

“This has been a great gift, even though I feel their pain every day,” Tatiana added.

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Tatiana went on to write that with her terminal cancer diagnosis, she has “added a new tragedy” to her mother Caroline’s life. (The U.S. diplomat’s father, John F. Kennedy, was assassinated in 1963 when she was 5 years old, and her brother John F. Kennedy Jr. died in a plane crash in 1999.)

“For my whole life, I have tried to be good, to be a good student and a good sister and a good daughter, and to protect my mother and never make her upset or angry,” Tatiana wrote. “Now I have added a new tragedy to her life, to our family’s life, and there’s nothing I can do to stop it.”