id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3912871,1994637,plaintiff,Ayer,John,,,"Ayer, John",0 3912872,1994637,defendant,Crystmas,John,esq,586470,"Crystmas, John, of Colchester, esq",0 3912873,1994637,defendant,Cornewall,Thomas,esq,590902,"Cornewall, Thomas, of Stebbyng, Essex, esq",1 3912874,1994637,defendant,Johnson,Richard,gent,650584,"Johnson, Richard, of Waltamstowe, Essex, gent",2