id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4857684,2313783,plaintiff,Boston,John,mercer,585869,"Boston, John, of London, mercer",0 4857685,2313783,plaintiff,Onhonde,Thomas,mercer,585869,"Onhonde, Thomas, of London, mercer",1 4857686,2313783,defendant,Knyghtbrigge,John,yeoman & mercer,624269,"Knyghtbrigge, John, of Sandon, Essex, yeoman & mercer",0