Tatiana Schlossberg Reveals How Her Siblings Supported Cancer Treatment

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 Edwi