93739
Emperor Wenzong was the second son of Emperor Muzong and younger brother of Emperor Jingzong .
 Emperor Wenzong, Emperor Muzong, Emperor Jingzong
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Emperor Wenzong, Emperor Muzong, Emperor Jingzong