id.1,fname_c1.1,fname_c2.1,lname_c1.1,lname_c2.1,by.1,bm.1,bd.1,id.2,fname_c1.2,fname_c2.2,lname_c1.2,lname_c2.2,by.2,bm.2,bd.2,is_match
1,MARTIN,,MUELLER,,1950,2,4,1,FRANK,,MUELLER,,1967,9,27,FALSE
1,MARTIN,,MUELLER,,1950,2,4,2,HANS,PETER,SCHMITT,,1945,8,14,FALSE
2,FRANK,MARTIN,MUELER,,1967,8,27,1,FRANK,,MUELLER,,1967,9,27,TRUE
2,FRANK,MARTIN,MUELER,,1967,8,27,2,HANS,PETER,SCHMITT,,1945,8,14,FALSE
3,HERBERT,,ZIMMERMANN,,1945,8,9,1,FRANK,,MUELLER,,1967,9,27,FALSE
3,HERBERT,,ZIMMERMANN,,1945,8,9,2,HANS,PETER,SCHMITT,,1945,8,14,FALSE