id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3900934,1990543,plaintiff,Chelsham,William,mercer,585869,"Chelsham, William, of London, mercer",0 3900935,1990543,defendant,Poley,John,gent,599990,"Poley, John, of Clapham, Beds, gent",0 3900936,1990543,defendant,Fowler,Thomas,gent,648298,"Fowler, Thomas, of Castell Bromwyche, Warw, gent",1