id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4443416,2182903,plaintiff,Castile & Legionis or Leon,John,"king of, & Duke of Lancaster",,"Castile & Legionis or Leon, John, king of, & Duke of Lancaster",0 4443417,2182903,defendant,Boilet,Robert,"son of Robert, knight",,"Boilet, Robert, son of Robert, knight",0 4443418,2182903,defendant,Strakour,"John, junior",,590306,"Strakour, John, junior, of Wetyng",1