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With the opening of the road , James Mercer 's son , Charles Fenton Mercer , in a partnership with William Cooke , set out to develop a village on at the turnpike 's western terminus .
 Mercer, Charles Fenton Mercer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mercer, Charles Fenton Mercer