id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5162252,2404687,plaintiff,Tropenell,Thomas,,,"Tropenell, Thomas",0 5162253,2404687,defendant,Benet,Richard,clerk,830217,"Benet, Richard, of East Codeford, clerk",0 5162254,2404687,defendant,Benet,Thomas,,830217,"Benet, Thomas, of East Codeford, groom",1 5162255,2404687,defendant,Mascall,Thomas,summoner,597527,"Mascall, Thomas, of Stokton, summoner",2