"Family ID","Person ID","1st_lastname","1st_given_name","birtdate1","gender1","Person ID","2nd_lastname","2nd_given_name","birtdate2","gender2","Living","Tree"
"F1263048329","I6151","van der Horst","Kind 1.","","","I6151","van der Ouderaa","M.j.","","","0","tree1"
"F1263048330","I5429","van der Horst","Kind 2.","","","I5429","Laros","P.","","","0","tree1"
"F1263048331","I5352","van der Horst","Kind 3.","","","I5352","Klein","H.","","","0","tree1"