The source says they believe Caroline, the daughter of President John F. Kennedy, was encouraged by her son, Jack Schlossberg, who has repeatedly called out the late Sen. Robert F. Kennedy’s son.

SNL' red carpet in honor of the iconic sketch show's 50th anniversaryCaroline Kennedy and her husband Edwin Schlossberg ...

Caroline Kennedy, daughter of JFK and a former diplomat, blasted her cousin RFK Jr in an open letter hours before his Senate ...

Caroline Kennedy spoke out against cousin Robert F. Kennedy Jr. in a scathing letter to senators on Tuesday, calling him a ...

Hey, it's Jack. I'm okay. But our country is not,” the Kennedy scion said in one of his first posts back on Instagram.

Maria Shriver expressed support for cousin Caroline Kennedy following her scathing letter about Robert F. Kennedy Jr.'s ...

Caroline Kennedy called her cousin, Robert F. Kennedy, a 'predator' ahead of his confirmation hearing for Health and Human ...

Caroline Kennedy wrote a blistering letter to the U.S. Senate Tuesday urging them to reject her cousin Robert F. Kennedy ...

Caroline Kennedy's son Jack Schlossberg has also been vocal about his opposition of RFK Jr. on social media. "LIFE AND DEATH DECISIONS by someone who cannot tell the truth," Schlossberg wrote ...