Peng Liyuan
Tian Tian has been confirmed through genetic testing to be the father of two cubs, both male, born to Mei Xiang on August 22, 2015. One of the cubs was named Bei Bei by Michelle Obama and Peng Liyuan, the wives of the then American and Chinese presidents. The second cub died at 4 days old and was not named. Bei Bei lived at the National Zoo until November 19, 2019 to return to his ancestral homeland in China.