id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4612163,2234870,plaintiff,Corbet,Thomas,esq,753166,"Corbet, Thomas, of Hertfordshire, esq",0 4612164,2234870,defendant,Bletche,"William, sen",,753819,"Bletche, William, sen, of Great Waltham",0