Instructions: Generate a correct and concise answer for the question based on the words in the context.
Input: Context : Yuchi Chifan (Chinese: ) or Yuchi Fanchi (Chinese: ) (566--595), later Buddhist nun name Huashou (), was a concubine of Emperor Xuan of Northern Zhou, an emperor of the Chinese/Xianbei dynasty Northern Zhou.
Question : What is Yuchi Chifan's spouse's name?
Output:
Emperor Xuan of Northern Zhou