Yes, Gentile transfered from Pittsburgh to the Mangano Family in 1934 in order to get out of trouble.

You can read about it in this article about Gentile:

https://books.google.com/books?id=WpsCEAAAQBAJ&printsec=frontcover#v=onepage&q&f=false


Google Books has blocked selected pages of this article, but you should be able to read the part where Gentile joins Mangano's Family if you scroll down to page 23 (at least I was able to).