id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3935960,2002343,plaintiff,Lewelyn,William,,,"Lewelyn, William",0 3935961,2002343,defendant,ap Jeyn,Thomas,,660712,"ap Jeyn, Thomas, of Penhowe, mason",0 3935962,2002343,defendant,ap Morgan,Thomas,,660712,"ap Morgan, Thomas, of Penhowe, mason",1