Arturo Enrique Girón Lowenthal is my nephew because her mother is my cousin and you can see it in his profile:
http://www.geni.com/people/Arturo-Enrique-Gir%C3%B3n-Lowenthal/6000000017711157327
Arturo´s brothers are my nephews, too. The system (geni) recognizes the fact correctly but not Arturo.
Please kill the bug.