id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5198374,2415276,plaintiff,Trevalstoys,Thomas,,,"Trevalstoys, Thomas",0 5198375,2415276,defendant,Autron,"William, sen",gent,842034,"Autron, William, sen, of Autron, gent",0 5198376,2415276,defendant,Mast,John,husbandman,854868,"Mast, John, of St Ilven, husbandman",1