id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3693720,1924230,plaintiff,Mas,William,,,"Mas, William",0 3693721,1924230,defendant,Staple,William,husbandman,587005,"Staple, William, of Navestok, husbandman",0 3693722,1924230,defendant,Staple,Thomas,husbandman,587005,"Staple, Thomas, of Navestok, husbandman",1