id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4136693,2073468,plaintiff,Salesbury,"Robert, junior",,,"Salesbury, Robert, junior",0 4136694,2073468,defendant,ap David,Hugh ap John,butcher,659188,"ap David, Hugh ap John, of Wrexham, Denbigh, butcher",0