Maria Shriver mourns Tatiana Schlossberg, praises Caroline Kennedy as ‘a rock’

Maria Shriver pays tribute to cousin Tatiana Schlossberg, praising Caroline Kennedy’s strength after her daughter’s death.
PUBLISHED DEC 31, 2025
Maria Shriver honored her late cousin Tatiana Schlossberg while praising Caroline Kennedy’s strength amid profound loss (Getty Images)
Maria Shriver honored her late cousin Tatiana Schlossberg while praising Caroline Kennedy’s strength amid profound loss (Getty Images)

LOS ANGELES, CALIFORNIA: Maria Shriver shared a deeply personal and emotional tribute following the death of her cousin Tatiana Schlossberg, honoring the journalist’s life while praising her mother, Caroline Kennedy, for her strength in the face of unimaginable loss.

Shriver took to Instagram on Tuesday, December 30, to reflect on Schlossberg’s death at age 35, sharing a series of family photos and a message that conveyed both heartbreak and reverence for a life she described as courageous and fiercely lived.

“I return to this space today to pay tribute to my sweet, beloved Tatiana, who left this earth today,” Shriver wrote. “I return to this space heartbroken because Tatiana loved life. She loved her life, and she fought like hell to try to save it.”

Maria Shriver struggles to process sudden loss

Shriver did not attempt to soften the weight of her grief, admitting she was unable to make sense of Schlossberg’s death.

“I cannot make sense of this. I cannot make any sense of it at all,” she wrote. “None. Zero.”

Schlossberg, the daughter of Caroline Kennedy and Edwin Schlossberg and the granddaughter of President John F Kennedy, died following a battle with acute myeloid leukemia. Her death was confirmed by the JFK Library Foundation in a statement shared on social media.

“Our beautiful Tatiana passed away this morning. She will always be in our hearts,” the message read, signed by close family members including her husband George Moran, her children, and members of the Kennedy family.

Tribute highlights Tatiana Schlossberg’s work and family life

In her message, Shriver highlighted Schlossberg’s career as a journalist and environmental advocate, describing her as someone who used her voice with intention and impact.

“Tatiana was a great journalist, and she used her words to educate others about the earth and how to save it,” Shriver wrote.

Tatiana Schlossberg attends Intelligencer Live: Our Warmer Future presented by New York Magazine and Brookfield Place on September 05, 2019 in New York City. (Photo by Craig Barritt/Getty Images for New York Magazine)
Tatiana Schlossberg attends 'Intelligencer Live: Our Warmer Future' presented by New York Magazine and Brookfield Place on September 05, 2019 in New York City (Craig Barritt/Getty Images for New York Magazine)

Schlossberg spent years covering science and climate change for The New York Times and previously worked at The Record in New Jersey. She also authored the 2019 book 'Inconspicuous Consumption', which examined climate change through everyday choices.

Maria Shriver attends the 2023 International Women's Day Celebration on March 06, 2023 in Los Angeles, California.
Maria Shriver attends the 2023 International Women's Day Celebration on March 06, 2023 in Los Angeles, California (Getty Images)

Shriver also reflected on Schlossberg’s personal life, noting the family she built with her husband and children.

“She created a beautiful life with her extraordinary husband George, and children Eddie and Josie,” Shriver wrote. “She fought like a warrior. She was valiant, strong, courageous.”

Caroline Kennedy praised for strength amid tragedy

One of the most poignant moments in Shriver’s tribute came as she turned her focus to Schlossberg’s mother, Caroline Kennedy.

“What a rock she has been,” Shriver wrote, praising her cousin for being a steady source of love and strength not only for her immediate family, but for Schlossberg’s extended circle of friends and loved ones.

(L to R) Caroline Kennedy Schlossberg and daughters Rose Schlossberg and Tatiana Schlossberg2 stand at the podium before the first session of day one of the Democratic National Convention (DNC) at the Pepsi Center August 25, 2008 in Denver, Colorado. The DNC, where U.S. Sen. Barack Obama (D-IL) will be officially nominated as the Democratic candidate for U.S. president, starts today and finishes August 28th.
Caroline Kennedy Schlossberg and daughters Rose Schlossberg and Tatiana Schlossberg stand at the podium before the first session of day one of the Democratic National Convention (DNC) at the Pepsi Center on August 25, 2008 in Denver, Colorado (Getty Images)

Shriver acknowledged the efforts of doctors who cared for Schlossberg and the collective support surrounding her children, emphasizing the importance of community in moments of profound grief.

Schlossberg revealed cancer diagnosis months before her death

In an essay published in The New Yorker in November, Schlossberg revealed that she was diagnosed with cancer shortly after the birth of her daughter Josephine in 2024.

“I had swum a mile in the pool the day before, nine months pregnant,” she wrote. “I wasn’t sick. I didn’t feel sick. I was actually one of the healthiest people I knew.”

BOSTON, MASSACHUSETTS - DECEMBER 02: Tatiana Schlossberg waits to greet Prince William, Prince of Wales during his visit to John F. Kennedy Presidential Library and Museum on December 02, 2022 in Boston, Massachusetts. The Prince and Princess of Wales are visiting the coastal city of Boston to attend the second annual Earthshot Prize Awards Ceremony, an event which celebrates those whose work is helping to repair the planet. During their trip, which will last for three days, the royal couple will learn about the environmental challenges Boston faces as well as meeting those who are combating the effects of climate change in the area. (Photo by Karwai Tang/WireImage)
Tatiana Schlossberg waits to greet Prince William, Prince of Wales, during his visit to John F. Kennedy Presidential Library and Museum on December 02, 2022 in Boston, Massachusetts (WireImage)

Shriver encouraged her followers to read the essay, calling it 'extraordinary', and vowed that Schlossberg’s children would grow up knowing the strength and spirit of their mother.

“Those of us left behind will make sure Eddie and Josie know what a beautiful, courageous spirit their mother was and will always be,” she wrote.

Shriver concluded her message with a reminder shaped by grief and gratitude: “Please pause and honor your life. It truly is such a gift.”

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