Maria Shriver – the cousin of Tatiana Schlossberg's mother, Caroline Kennedy – said she was "heartbroken" over the 35-year-old's death.

On Dec. 30, the JFK Foundation Library's social media accounts announced that Tatiana Schlossberg, the second daughter of Caroline Kennedy and Edwin Schlossberg, died. She was 35.

Tatiana Schlossberg was diagnosed with leukemia in 2024, and wrote an essay in which she was highly critical of her cousin’s policies

The John F. Kennedy Library Foundation announced the death of Tatiana Schlossberg – the middle child of Caroline Kennedy – on Dec. 30. The cause was acute myeloid leukemia, a rare cancer of the blood and bone marrow. The tragic circumstances of her death didn't stop her from becoming tabloid fodder.

Carole Radziwill remembered Tatiana Schlossberg, who died on Dec. 30 at the age of 35 after being diagnosed with cancer. Carole's late husband, Anthony Radziwill, was first cousins with Tatiana's mother,