id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3789669,1954597,plaintiff,Treveke,"John, senior",,,"Treveke, John, senior",0 3789670,1954597,defendant,Trewennowe,John Michell,baker,602353,"Trewennowe, John Michell, of Truru, baker",0