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Walker was the brother of Major Leaguer Ernie Walker , and the father of Major Leaguers Dixie Walker and Harry Walker .
 Walker, Major, Ernie Walker, Major, Dixie Walker, Harry Walker
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Walker, Major, Ernie Walker, Major, Dixie Walker, Harry Walker