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In 1961 it was bought by Henry Pelham-Clinton-Hope , 9th Duke of Newcastle who sold it in 1970 to the W.D. & H.O. Wills tobacco company who used it as a training centre .
 Henry Pelham-Clinton-Hope , 9th Duke of Newcastle, W.D. & H.O. Wills
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Henry Pelham-Clinton-Hope , 9th Duke of Newcastle, W.D. & H.O. Wills