Task: Question Understanding
Input (English): Context : Gao Wei (高緯) (557--577), often known in history as Houzhu of Northern Qi ((北)齊後主), courtesy name Rengang (仁綱), sometimes referred to by his later Northern Zhou-created title of Duke of Wen (溫公), was an emperor of Northern Qi. 
Question : What is Gao Wei's spouse's name?
Output (English): spouse