id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3997189,2023765,plaintiff,Duberley,Thomas,,667651,"Duberley, Thomas, of Bryngwyn",0 3997190,2023765,defendant,William,Thomas David,yeoman,670464,"William, Thomas David, of Clytha, Lanarth, yeoman",0 3997191,2023765,defendant,William,John David,yeoman,670465,"William, John David, of Clytha, yeoman",1 3997192,2023765,defendant,William Jevan David,of Clytha,yeoman,,"William Jevan David, of Clytha, yeoman",2 3997193,2023765,defendant,Lluwellen,John David,yeoman,670465,"Lluwellen, John David, of Clytha, yeoman",3