id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4153219,2079223,plaintiff,Horseley,Thomas,,,"Horseley, Thomas",0 4153220,2079223,defendant,ap David,Humphrey ap Morres,gent,704539,"ap David, Humphrey ap Morres, of Trevegles, Montgomery, gent",0 4153221,2079223,defendant,Gor,Evan ap David,gent,704540,"Gor, Evan ap David, of Trevegles, gent",1