However, on vaccines he is wrong."

Back in 2022, RFK Jr. even compared vaccine mandates in the U.S. to Nazi Germany.

The bad blood between the cousins comes off as intense, potentially based on more than political ideology.

RFK Jr. speaking to crowd

Schlossberg didn’t stop with his attacks on RFK Jr. after denouncing his political campaign.

“I think that behavior matters.

And I think the example we set for our children matters,” he said.

RFK Jr. campaigning for presidency

Jack Schlossberg speaks to crowd.