Bai Qian

Bai Qian: A white Nine-Tailed Fox. Youngest child of the Fox King and current female monarch of Qingqiu. A well-respected High Goddess in the heavenly realm, who is revered for her beauty. She has a sassy and forthright personality. Although her memories and affection for Ye Hua were erased, she fell in love with him once again when they met in the heavenly realm

Si Yin: Alias of Bai Qian when she was the disciple of Mo Yuan. During her times in Kunlun, she fell in love with Li Jing but was later betrayed by him and Xuan Nü. She also developed a deep bond with Mo Yuan as his disciple, and tried all sorts of methods in order to bring him back to life after his soul was destroyed by the Dong Huang bell. As Si Yin, nobody knew that she was a woman except for Mo Yuan and Li Jing.

Su Su: Mortal identity of Bai Qian, with her memories and powers sealed by Qing Cang after she successfully re-seals Qing Cang in the Dong Huang bell. She unknowingly fell in love with Ye Hua, married him, and gave birth to their son, A Li. However, due to misunderstandings, she jumped off the Zhu Xian terrace and returned to her goddess identity.

(Source: Wikipedia)