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Family and education Frederick Joseph Laverack was born in Leeds , the younger son of George Laverack , grocer and tea merchant , and Elizabeth Turner .
 Frederick Joseph Laverack, Leeds, Laverack
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Frederick Joseph Laverack, Leeds, Laverack