id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq
4568245,2221640,plaintiff,Tychemerssh,Thomas,,,"Tychemerssh, Thomas",0
4568246,2221640,defendant,Mason,John,,586183,"Mason, John, of Broghton",0
4568247,2221640,defendant,Mason,Alice,,,"Alice, his wife",1