The `^m007` individual is the culprit. ``` FamilyId IndividualId Gender Mother Father t001 m001 m . . t001 m002 f . . t001 m003 f m002 m001 t001 m004 m m006 m005 t001 m005 m . . t001 m006 f . . t001 ^m007 . m003 m004 ```