id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5156567,2403074,plaintiff,Niche,Thomas,mercer,585869,"Niche, Thomas, of London, mercer",0 5156568,2403074,defendant,Frenche,John,chapman,592214,"Frenche, John, of Rocheford, chapman",0 5156569,2403074,defendant,Chapman,William,,749622,"Chapman, William, of Rochford",1