id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5211279,2419028,plaintiff,Whalesburgh,Thomas,,,"Whalesburgh, Thomas",0 5211280,2419028,defendant,Trethennek,Ralph,gent,621586,"Trethennek, Ralph, of Carwen, gent",0 5211281,2419028,defendant,Carwen,Thomas,gent,859734,"together with Carwen, Thomas, of St Vey, gent",1 5211282,2419028,defendant,Trethennek,William,gent,586416,"Trethennek, William, of Padestowe, gent",2