I’m pretty sure she flew to China with Joe, maybe Hunter. Not sure why or what year though.
I don’t think Natalie (Hunter’s niece}, who would have been 9 (born 2004), was along for that trip.
In December 2013, Hunter landed in Beijing aboard Air Force Two, accompanying his father on an official visit to China. Less than two weeks later, Hunter’s company, Rosemont Seneca, became a partner in a new investment company backed by the state-owned Bank of China.
https://nypost.com/2019/10/10/6-facts-about-hunter-bidens-business-dealings-in-china/