14781
** '' Kingdom of Gwent '' ' – Edwyn ap Gwriad ( 1015–1045 )
 Kingdom of Gwent, Edwyn ap Gwriad
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kingdom of Gwent, Edwyn ap Gwriad