More information on direct link into the family.

I would like to know how is Merwyn Viegas related to the Sabistian Alvares. My grandfather had only a sister who married into the D'souza family. My grandfather's brother one of whom I know was Lulu Alvares he had two sons John and Peter (I think) Alvares. Now could you please tell me to whom are you related. Thank you Lina Soares They came from the Silva Vado aud nom was "Kabre" Please give me more information of the family if you are related to me. Thank you