id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5198343,2415266,plaintiff,Tregarthyn,Thomas,,,"Tregarthyn, Thomas",0 5198344,2415266,defendant,Treamboll,John,husbandman,819124,"Treamboll, John, of Treamboll, husbandman",0 5198345,2415266,defendant,Treamboll,John,"jun, of Treamboll, laborer",,"Treamboll, John, jun, of Treamboll, laborer",1