Sen. Elizabeth Warren Elizabeth WarrenGOP set to release controversial Biden report Biden's fiscal program: What is the likely market impact? Warren, Schumer introduce plan for next president to cancel ,000 in student debt MORE (D-Mass.) in an interview broadcast Sunday said she knows who she is after being pressed about her claims of Native American heritage.

She was questioned during an appearance on NBC's "Meet the Press" about an editorial in a Massachusetts newspaper, "Warren must resolve debate on heritage," which said a DNA test would "permanently resolve the issue."

“Look, I do know. I know who I am. And never used it for anything. Never got any benefit from it anywhere," Warren said.

"But what I did a couple of weeks ago is I went to talk to the leaders of the native tribes across the country,” she added.

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“And I talked about the fact that President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE can't seem to hear my name without trying to throw a racial slur into it. Can't seem to make it through a ceremony honoring Native American war heroes without trying to make something else out of it.”

President Trump has poked at Warren over the claim, referring to the senator as “Pocahontas.”

Trump at a campaign rally in Pennsylvania late Saturday repeated the "Pocahontas" moniker and said she wouldn't capture the nation's attention as president.

Last year, a Republican Senate candidate in Massachusetts said he mailed Warren a DNA test.

The Washington Post fact checker in 2016 wrote that there is "no official documentation" of Warren’s claim to Native American ancestry based on family stories she heard growing up, advising its readers "to look into it on their own and decide whether Trump’s attacks over Warren’s background have merit.”