37650
After Yazdegerd 's death , Persian nobles tried to reclaim Bahram from Mundhir , so Mundhir sent his son Nu ' man with a brigade then he personally escorted Bahram another brigade of 20,000 soldiers to Ctesiphon where the nobles , after some negotiations , acknowledged Bahram as their ruler .
 Yazdegerd, Bahram, Bahram, Bahram
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Yazdegerd, Bahram, Bahram, Bahram