Joshua Kushner, a venture capitalist and the brother of senior White House adviser Jared Kushner Jared Corey KushnerAbraham Accords: New hope for peace in Middle East Tenants in Kushner building file lawsuit alleging dangerous living conditions Trump hosts Israel, UAE, Bahrain for historic signing MORE, made a last-minute donation to Beto O'Rourke Beto O'RourkeJimmy Carter says his son smoked pot with Willie Nelson on White House roof O'Rourke endorses Kennedy for Senate: 'A champion for the values we're most proud of' 2020 Democrats do convention Zoom call MORE's Democratic Senate campaign in Texas.

Joshua Kushner donated $2,600 to the then-El Paso congressman on Oct. 25, according to Open Secrets, as first reported by Axios.

O'Rourke is now vying to challenge President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE, Jared Kushner's boss and father-in-law, in the 2020 presidential election. O'Rourke launched his 2020 campaign last week, just months after falling short in his effort to unseat Sen. Ted Cruz Rafael (Ted) Edward CruzTrump argues full Supreme Court needed to settle potential election disputes Press: Notorious RBG vs Notorious GOP The Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy MORE (R-Texas).

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Joshua Kushner, the co-founder of Oscar Health, has donated to several Democratic lawmakers over the years, according to a database of his contributions from Open Secrets.

That database shows he made a $1,000 donation Senate Minority Leader Charles Schumer Chuck SchumerSenate Democrats introduce legislation to probe politicization of pandemic response Schumer interrupted during live briefing by heckler: 'Stop lying to the people' Jacobin editor: Primarying Schumer would force him to fight Trump's SCOTUS nominee MORE (D-N.Y.) in April 2000. Politico reported earlier this month that Kushner has also donated to Rep. Seth Moulton Seth MoultonThe Hill's Morning Report - Presented by Facebook - Markey defeats Kennedy; Trump lauds America's enforcers in Wisconsin Moulton fends off primary challenges in Massachusetts Portland: The Pentagon should step up or pipe down MORE (D-Mass.) and Sen. Cory Booker Cory Anthony BookerBipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility Democratic lawmakers call for an investigation into allegations of medical neglect at Georgia ICE facility MORE (D-N.J.).

Booker launched a 2020 presidential campaign last month. Moulton is reportedly considering a run for the White House as well.

Jared Kushner and his wife, White House adviser Ivanka Trump Ivana (Ivanka) Marie TrumpSpecial counsel investigating DeVos for potential Hatch Act violation: report Trump, Biden vie for Minnesota Trump luxury properties have charged US government .1M since inauguration: report MORE, have also sent money to Booker. They each sent the New Jersey senator $10,400 in 2013, Politico reported.

Joshua Kushner is a lifelong Democrat, according to Esquire. He was spotted at the Women's March in Washington, D.C., just a day after Trump's inauguration in 2017, according to The Washingtonian.