id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4223140,2103582,plaintiff,Williams,John,,,"Williams, John",0 4223141,2103582,defendant,ap Philip,Thomas,yeoman,673169,"ap Philip, Thomas, of Trellegg, yeoman",0 4223142,2103582,defendant,Moris,Walter of Comtarvan,yeoman,,"Moris, Walter of Comtarvan, yeoman",1