Looking for some lost family!!!!

Hello!!! I am looking for my family in Italy , I was raise by my grandmother Maria Claudia de Rezende Mocchi (She was an Opera singer)in Brazil until I was 12 and then I moved to USA ,,,,My grandfather were Giuseppe Mocchi his parents were Renato Mocchi and Maria Beatriz Massari Mocchi, I would just love to meet that side of my family since my grandmother was a huge influence in my life and her love for Italia, Please if anyone have any information ,please contact me at Thaislmt@yahoo.com Thanks