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John " Jack " Marston ( birth registered April → June 1948 in Hemsworth district — died 13 March 2013 ( aged 64 ) in St Gemma 's Hospice , Leeds ) was an English professional rugby league footballer of the 1960s and '70s , playing at representative level for Yorkshire , and at club level for Hemsworth Miners Welfare ARLFC , Wakefield Trinity , Bradford Northern , and York , as a , i.e. number 3 or 4 .
 Jack, Marston, Hemsworth, Leeds, Yorkshire, Hemsworth Miners Welfare ARLFC, Wakefield Trinity, Bradford Northern, York
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jack, Marston, Hemsworth, Leeds, Yorkshire, Hemsworth Miners Welfare ARLFC, Wakefield Trinity, Bradford Northern, York