id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3874592,1981725,plaintiff,Curwen,Thomas,knight,,"Curwen, Thomas, knight",0 3874593,1981725,defendant,Dover,John,yeoman,643567,"Dover, John, of Karlyll, yeoman",0 3874594,1981725,defendant,Sowreby,John,yeoman,643568,"Sowreby, John, of Langanby, yeoman",1 3874595,1981725,defendant,Stagg,John,yoman,643567,"Stagg, John, of Karlyll, yoman",2