id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4622764,2238096,plaintiff,Malbirthorp,John de,knight,,"Malbirthorp, John de, knight",0 4622765,2238096,defendant,Calthorp,John,,598803,"Calthorp, John, of Alford",0 4622766,2238096,defendant,Calthorp,Joan,"formerly wife of Thomas Wright, staying in Alford",,"Joan, his wife, formerly wife of Thomas Wright, staying in Alford",1