If they could-and if they were really in their right senses-they would have invited the Barwuahs to the ceremony that saw Mario gain his Italian citizenship or informed them of the change of name.
Si pudieran -y si de verdad estuvieran en lo correcto-hubieran invitado a los Barwuah a la ceremonia en la que Mario obtuvo su ciudadanía italiana, o les hubieran informado del cambio de nombre.