After a child died from measles amidst a Texas outbreak, Jack Schlossberg is demanding an apology from Cheryl Hines, who is married to RFK Jr.

Jack Schlossberg took his incendiary social media rants to a new extreme Thursday, blasting Cheryl Hines, over death of an unvaccinated child with measles.

The Kennedy family member had some strong words for RFK Jr.'s wife following the death of a child amid the measles outbreak ...

Almost every single case of measles is in someone who’s not vaccinated. I think you’re the perfect person to say sorry," the ...

Caroline Kennedy and her husband Edwin Schlossberg ... Tatiana Schlossberg and Jack Schlossberg. The former United States Ambassador to Australia's appearance with Schlossberg, a designer and ...

Kennedy, 67, and Schlossberg, 79 — who married in 1986 — share three kids, Rose Schlossberg, Tatiana Schlossberg and Jack Schlossberg. NBC/Kevin Mazur/NBC via Getty Edwin Schlossberg and Caroline ...

While the library has since reopened, albeit with a limited number of staff in place, the move prompted outrage from one particularly outspoken member of the Kennedy clan, Jack Schlossberg, son of ...

Schlossberg, who is the son of Caroline Kennedy, and the only living grandson of President John F. Kennedy, reacted to the news with a series of posts. He began his video message by acknowledging ...