id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4380018,2157956,plaintiff,Valentyne,Henry,,,"Valentyne, Henry",0 4380019,2157956,defendant,Thornton,Robert,yeoman,702129,"Thornton, Robert, of Billinghaye, yeoman",0 4380020,2157956,defendant,More,William,mercer,655710,"More, William, of Stamforde, mercer",1