id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4497714,2199929,plaintiff,Edleston,Roger de,,,"Edleston, Roger de",0 4497715,2199929,defendant,Coupeland,Alan de,,613126,"Coupeland, Alan de, of Santon",0 4497716,2199929,defendant,Coupeland,John de,,613126,"Coupeland, John de, of Santon",1 4497717,2199929,defendant,Park,William de,,613126,"Park, William de, of Santon",2 4497718,2199929,defendant,Hird,Thomas,,613126,"Hird, Thomas, of Santon",3 4497719,2199929,defendant,Daud,Michael,,613126,"Daud, Michael, of Santon",4 4497720,2199929,defendant,Syngleton,John de,,,"Syngleton, John de",5 4497721,2199929,defendant,(not given),Thomas,his son,,"Thomas, his son",6