id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3898031,1989549,plaintiff,Yong,William,grocer,585925,"Yong, William, of Bristol, grocer",0 3898032,1989549,defendant,ap Gwylliam,Walter,mercer,594816,"ap Gwylliam, Walter, of Monmouth, mercer",0 3898033,1989549,defendant,Nicollas,Lewis,mercer,647755,"Nicollas, Lewis, of Abergeveny, mercer",1