id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq
4370569,2154525,plaintiff,Key,Peter,,,"Key, Peter",0
4370570,2154525,defendant,Sansome,John,yeoman,703566,"Sansome, John, of Worsoppe, yeoman",0
4370571,2154525,defendant,Sansome,William,,703566,"Sansome, William, of Worsoppe, yeoman, his son",1