Board Thread:The Rusty Anchor (Questions & Answers)/@comment-76.26.82.184-20140517233920/@comment-5275700-20140625222813

I can't say for sure, but I think Sophia's brother Angelo has a last name mentioned in one episode, so it's been extrapolated from that. He was in 6 episodes so this will require about 3 hours of research by someone!

IMDB only lists the character as "Uncle Angelo" so this might not be it, though.