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Rugby career Dobson 's family moved to Wales from Scotland shortly before his birth in 1873 , his brother Dobson having been born in Caithness just two years prior .
 Dobson, Wales, Scotland, Dobson
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dobson, Wales, Scotland, Dobson