Jaqueline Kennedy Onassis’ wayward grandson has belittled the former first lady’s private anguish in his latest bizarre Instagram post. 

Jack Schlossberg, 32, recorded a video of himself in a store, focusing on a People magazine cover featuring Jackie Kennedy standing alongside her husband John F. Kennedy, with the headline: ‘Jackie Knew Everything.’

Schlossberg, who has been without a substantial job since completing his studies at Harvard Law School in 2022, added a caption to the photo saying, ‘Jackie was right about everything.’

The cover of the August issue of the magazine delves into the assertions that Jackie had confronted her spouse, the President of the United States, about his relationship with the actress Marilyn Monroe.

Jackie allegedly told her husband this particular affair rumor ‘worries me,’ leaving the fashion icon in distress. 

And while the Kennedy scandals have long been the subject of public speculation, Schlossberg’s flippant take on his late grandmother’s anguish is likely to raise further concerns about his own wellbeing.

Schlossberg’s mother is Caroline Kennedy – the only daughter of Jackie and JFK – who was five years old when her father was assassinated in 1963. 

His late grandmother died of cancer in 1994 aged just 64. 

She is still widely-regarded as one of the most stylish, discreet and dignified first ladies of all time, which makes Schlossberg’s uncouth antics all the more surprising. 

While shopping at an unknown store on Monday, Jack Schlossberg, 32, took a video zooming in on a People magazine cover of Jackie and John F. Kennedy with the headline: ‘Jackie Knew Everything.’

In all-caps, Schlossberg wrote: ‘Jackie was right about everything.’ Schlossberg – who is known for taking digs at his own family – appeared to be making a joke off the back of his late grandmother’s pain

The magazine’s August cover story pertains to claims Jackie had confronted her husband about his alleged affair with actress Marilyn Monroe. Jackie allegedly told her husband this particular affair rumor ‘worries me,’ leaving the fashion icon in distress

His newest dig comes after he was reportedly left off the family’s July 4th party guest list, alongside his arch nemesis and relative Robert F. Kennedy Jr. 

The Kennedy family reunited over the holiday weekend for their annual Fourth of July celebration, but Jack and MAGA advisor RFK Jr. were conspicuously absent. 

In a video posted by Kerry Kennedy on Saturday, dozens of relatives smiled and waved on the lawn of the Democrat clan’s Hyannis Port estate in Massachusetts, surrounded by flags and patriotic cheer.

Health Secretary RFK Jr – whose father Robert F. Kennedy was JFK’s brother – has long been estranged from the clan, but Schlossberg’s latest antics seem to have made him the newest black sheep. 

Victoria Kennedy, Ted Kennedy’s wife, commented underneath the video confirmed that every family member was invited, but some had other plans to attend.

Days earlier, Schlossberg, who recently adopted a buzz cut in place of his signature longer locks, caused further uproar after launching a grotesque attack on journalist Megyn Kelly.

Under a clip from Kelly’s show about the Israel-Iran conflict, Schlossberg wrote: ‘Looking extremely feminine!! Very good. Now show us your c@&6.’

It was largely rumored that JFK (pictured with Jackie) had an affair with Monroe 

Schlossberg is pictured as a toddler being carried by his mother Caroline while out for a walk with his grandmother Jacqueline and her boyfriend Maurice Tempelsman

The New York City outing took place the same year Jackie died of cancer aged just 64 

The sexually explicit comment was swiftly deleted – but not before screenshots were captured and shared widely. Kelly has yet to publicly respond, though she previously labeled Schlossberg ‘despicable.’

It wasn’t the first time he has lashed out at Kelly.

In February, Schlossberg deleted all of his social media accounts following a separate tirade targeting the conservative anchor over her views on transgender issues.

Critics accused him of ‘having a breakdown.’

The meltdown didn’t stop there. When Daily Mail columnist Maureen Callahan wrote about his behavior, Schlossberg lashed out again – telling both Callahan and Kelly to ‘eat s***’ and referring to the writer as ‘Maureen V*****’ in a string of unhinged posts.

Despite positioning himself as a progressive voice and self-styled ‘true Democrat,’ critics say Schlossberg has become a full-time internet troll.

His primary target has been his cousin, RFK Jr., whom he has labeled a ‘liar,’ a ‘predator,’ and a ‘guru shaman figure.’

In one bizarre April post, he challenged RFK Jr. to a one-on-one fight, writing: ‘Me and you, one-on-one, locked in a room, we hash this out. Nobody comes out until one of us has autism. What do you say?’

Schlossberg, whose father is famed designer Edwin Schlossberg, has endured a checkered employment history despite his dazzling connections and education. 

After graduating from Harvard Law, he was announced as a political correspondent at US Vogue in a splashy announcement. 

But the nepo-baby gig failed to yield any exclusives or insights into life in America’s most famous family and Schlossberg has not appeared in the magazine since last fall.