Rep. Alexandria Ocasio-Cortez Alexandria Ocasio-CortezOn The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline McCarthy says there will be a peaceful transition if Biden wins Anxious Democrats amp up pressure for vote on COVID-19 aid MORE (D-N.Y.) is asking her supporters to donate to Sen. Ed Markey Edward (Ed) John MarkeyA game theorist's advice to President Trump on filling the Supreme Court seat Watchdog confirms State Dept. canceled award for journalist who criticized Trump 3 reasons why Biden is misreading the politics of court packing MORE (D-Mass.) amid news that her former primary opponent is fundraising for Rep. Joseph Kennedy III (D-Mass.), who is set to face the Massachusetts senator in a primary next year.

"While Ed Markey is fighting for the Green New Deal in the Senate, Joe Kennedy Joseph (Joe) Patrick KennedyDemocrats see fundraising spike following Ginsburg death Massachusetts town clerk resigns after delays to primary vote count Bogeymen of the far left deserve a place in any Biden administration MORE is getting campaign support from Crowley hosting a high dollar fundraiser on October 15," Ocasio-Cortez's fundraising email said, referring to Rep. Joe Crowley Joseph (Joe) CrowleyHillicon Valley: Election officials prepare for new Russian interference battle | 'Markeyverse' of online fans helps take down a Kennedy | GOP senators unveil bill to update tech liability protections 'Markeyverse' of online fans helps take down a Kennedy The Hill's Campaign Report: Trump visits Kenosha | Primary day in Massachusetts | GOP eyes Minnesota as a battleground MORE (D-N.Y.).

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The email points readers to a headline from the Boston Globe reading, "That guy who AOC beat? He's hosting a fund-raiser for Joe Kennedy."

"We need to help keep Markey in the Senate where he has a proven record of fighting for transformative change," the email continued.

The Kennedy campaign said in a statement to The Hill that the Massachusetts congressman was "grateful" for the support he had received in the early stages of the race.

"Joe is grateful for all the support he is receiving in the early stages of his campaign. At the end of the day, he knows this race will be decided by the people of Massachusetts -- and them alone," the statement read.

An individual close to Kennedy's campaign noted that congressman has maintained a close friendship with Crowley, going back to when the grandson of former Attorney General Robert F. Kennedy was first elected in 2012.

Ocasio-Cortez stunned the political world by defeating Crowley in a Democratic primary in New York's 14th District last year.

Ocasio-Cortez has endorsed Markey in the Massachusetts Democratic primary, after working with him to co-sponsor the Green New Deal in the House and the Senate.

Kennedy announced last month he would challenge Markey, calling for generational change in Washington.