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Origins Ross was the eldest son and heir of George Ross , 13th Lord Ross , who died on 17 June 1754 , by Elizabeth , third daughter of William Kerr , 2nd Marquess of Lothian .
 Ross, George Ross , 13th Lord Ross, William Kerr , 2nd Marquess of Lothian
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ross, George Ross , 13th Lord Ross, William Kerr , 2nd Marquess of Lothian