id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3871007,1980556,plaintiff,ap Lluwellan,John,,,"ap Lluwellan, John",0 3871008,1980556,defendant,ap Gryffyth,Thomas,husbandman,642919,"ap Gryffyth, Thomas, of Hontyngdon, husbandman",0 3871009,1980556,defendant,ap Roger,John,husbandman,615847,"ap Roger, John, of Byrley, husbandman",1 3871010,1980556,defendant,ap Ryes,Thomas ap David,husbandman,642920,"ap Ryes, Thomas ap David, of Michell Churche, husbandman",2