id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3980899,2017930,plaintiff,Powell or ap Hoell,Walter,gent,666405,"Powell or ap Hoell, Walter, of Llantrissen, gent",0 3980900,2017930,defendant,Jeyn,William Thomas,yeoman,666406,"Jeyn, William Thomas, of Tredonoke, yeoman",0