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He has a daughter Ellen Petterson ( 1992 ) and son Cameron Petterson ( 1996 ) Career Petterson began his career in his native Australia , leaving East Fremantle Tricolore in 1989 to join English side Luton Town .
 Petterson, Petterson, Petterson, Australia, Fremantle, English, Luton Town
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Petterson, Petterson, Petterson, Australia, Fremantle, English, Luton Town