247790
In the spring of 1144 , he is pleasantly surprised to be asked to go on a journey into his native North Wales as interpreter to Brother Mark , his former assistant , who is now a deacon to Roger de Clinton , the Bishop of Coventry .
 Wales, Roger de Clinton
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Wales, Roger de Clinton