The person that is the mother of XXX is who?
Kangxi Emperor
The Kangxi Emperor (Chinese: 康熙帝; Manchu: elhe taifin hūwangdi; Mongolian: ᠡᠩᠭᠡ ᠠᠮᠤᠭᠤᠯᠠᠩ engke amuɣulang 'peace and tranquility'; 4 May 1654 -- 20 December 1722) was the fourth emperor of the Qing dynasty, the first to be born on Chinese soil south of the Pass (Beijing) and the second Qing emperor to rule over China proper, from 1661 to 1722.