id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4486473,2196480,plaintiff,Sallay,William de,merchant,586067,"Sallay, William de, of York, merchant",0 4486474,2196480,defendant,Mallom,John de,,762291,"Mallom, John de, of York, dyet",0 4486475,2196480,defendant,Wellom,Henry de,dyer,586067,"Wellom, Henry de, of York, dyer",1 4486476,2196480,defendant,Newesom,John de,smith,762292,"Newesom, John de, of Thornton in the Benes, smith",2