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Then-Vice President Biden boasted about his Harvard-educated niece previously studying Chinese and living in China while delivering a speech in 2011 touting "a rising China" being "a positive, positive development, not only for China but for America..."

Biden gave a shout-out to Casey Owens, who was concluding her stint as a special assistant for the U.S.-China Strategic and Economic Dialogue at the Treasury Department, while delivering remarks to the opening session of the group, according to an email chain that was reviewed by Fox News Digital.

Owens, the daughter of Biden's sister, emailed then-Vice President Biden's "Auks" alias email address in May 2011, thanking him for the "memorable day" and said it was "very, very humbling" watching him speak.