id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3719016,1932223,plaintiff,Grene,John,grocer,,"Grene, John, grocer",0 3719017,1932223,defendant,Morgan,Thomas,gent,617349,"Morgan, Thomas, of Arleston, Herefs, gent",0 3719018,1932223,defendant,Jonys,William,gent,597943,"Jonys, William, of Monmouth, Wales, gent",1