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On 4 August 1644 , when the king was at Liskeard , he surprised and captured a party of parliamentarian officers in Lord Mohun 's house , which was within two miles of the Earl of Essex 's headquarters .
 Liskeard, Lord Mohun, Earl of Essex
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Liskeard, Lord Mohun, Earl of Essex