id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3749203,1941678,plaintiff,Heydon,John,knight,,"Heydon, John, knight",0 3749204,1941678,defendant,Yngelby,Ralph,husbandman,610056,"Yngelby, Ralph, of Blakenham on the Hill, husbandman",0