id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4697867,2264829,plaintiff,Cosham,John,mercer,585869,"Cosham, John, of London, mercer",0 4697868,2264829,defendant,Cokyshede,William,chapman,786524,"Cokyshede, William, of Chelmeleye, Devon, chapman",0 4697869,2264829,defendant,Mergore,Richard,chapman,786525,"Mergore, Richard, of Chicester, Sussex, chapman",1 4697870,2264829,defendant,Davy,John,chapman,786522,"Davy, John, of Wrytelyng, Sussex, chapman",2 4697871,2264829,defendant,Gerard,John,chapman,781252,"Gerard, John, of Derby, Derbs, chapman",3 4697872,2264829,defendant,Portour,John,chapman,786523,"Portour, John, of Chester, Cheshire, chapman",4