As Tatiana Schlossberg underwent stem cell treatment for her terminal cancer battle, her siblings leapt into action to help.
“My sister had turned out to be a match and would donate her stem cells,” Tatiana, 35, wrote in a New Yorker essay published Saturday, November 22, referring to older sister Rose Schlossberg. “My brother [Jack Schlossberg] was a half-match, but he still asked every doctor if maybe a half-match was better, just in case.”
The Schlossberg siblings are the three children of Caroline Kennedy — the daughter of the late John F. Kennedy and Jacqueline Kennedy Onaissis — and Edwin Schlossberg.
Tatiana discovered that she was diagnosed with acute myeloid leukemia in 2024 shortly after giving birth to her second child. (Tatiana and husband George Moran welcomed a son in 2022 and a daughter in 2024.)
After consulting her physicians, Tatiana learned that she had a rare mutation in her blood cells and was subsequently given a year to live.
“I could not be cured by a standard course of treatment. I would need a few months, at least, of chemotherapy, which would aim to reduce the number of blast cells in my bone marrow,” she explained in her “A Battle With My Blood” essay for The New Yorker. “Then, I would need a bone-marrow transplant, which could cure me. After the transplant, I would probably need more chemotherapy, on a regular basis, to try to prevent the cancer from returning.”
Tatiana also underwent a couple of clinical trials, in addition to the stem cell treatment using Rose’s donation.
“My sister held her arms straight for hours as the doctors drained blood from one, scooped out and froze her stem cells, and pumped the blood back in the other,” Tatiana recalled of Rose’s procedure. “The cells smelled like canned tomato soup. When the transfusion began, I sneezed twelve times and threw up.”
She added, “Then I waited — for my blood counts to recover, for my sister’s cells to heal and change my body. We wondered if I would get her banana allergy or her personality. My hair started to fall out and I wore scarves to cover my head, remembering, vainly, each time I tied one on, how great my hair used to be.”
While Tatiana was hospitalized, with Moran by her side, her other relatives helped babysit their children.
“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,” Tatiana wrote. “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.”
She continued, “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.”
After Tatiana’s essay was published, her family has been in her corner. Jack, 32, even reposted links to the article via his Instagram, while cousin Maria Shriver also offered her support.
“Tatiana is a beautiful writer, journalist, wife, mother, daughter, sister and friend. This piece is about what she has been going through for the last year and a half,” Shriver, 70, wrote via her Instagram, specifically responding to the New Yorker story. “It’s an ode to all the doctors and nurses who toil on the frontlines of humanity. It’s so many things, but best to read it yourself, and be blown away by one woman’s life story. And let it be a reminder to be grateful for the life you are living today, right now, this very minute.”
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