id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq
3597922,1866973,plaintiff,Sewester,William,mercer,585869,"Sewester, William, of London, mercer",0
3597923,1866973,defendant,Warde,William,chapman or smith,587531,"Warde, William, of Asshewell, Herts, chapman or smith",0