Political commentator and grandson of former President John F. Kennedy, Jack Schlossberg, has expressed his support for his sister, Tatiana Schlossberg, following the revelation of her cancer diagnosis.

Tatiana, 35, revealed in an essay for The New Yorker published Saturday that she may only have a year to live after being diagnosed with acute myeloid leukemia (AML), a rare and rapidly progressing type of cancer of the blood and bone marrow.

“Life is short—let it rip,” Jack wrote on his Instagram stories.

He posted the same message twice, once over a background of tarmac and again over a background of an overcast sky after sharing screenshots of his sister’s New Yorker story.

The siblings are cousins of Robert F. Kennedy Jr., President Donald Trump’s Health and Human Services Secreta

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