A Question about the Courthouse (very minor)

This movie was a nice slice of life. It wasn’t bad. But I do have one question.

This is question couldn’t be any more minor in the scope of the movie, but I was pondering it. When "Frank Giorgio" (Danny Aiello) is in the courtroom – the first courtroom scene I believe, there is a small interruption. A couple of Hispanic men run in thinking that this was their courtroom. But they look around nervously and see they are mistaken and ask quickly for "family court." The bailiff, or court officer, instructs them as to the number of the courtroom they need, and the two men rush out.

My question is – family court? You see, as is explained in the movie "Frank Giorgio" is going to court for the eventual auction of his business with the Federal Deposit Insurance Corporation (the FDIC), which is a US government agency created in the 1930s to somehow protect banks from failing like they did in the Great Depression. So, with the FDIC – and as we clearly see in the movie – they are in Federal Court, in the Federal Courthouse in Brooklyn. Now I may be wrong, but when is family court ever a part of federal jurisdictions? These are cases for municipal state courts, for state superior courts – cases which happen every day. Federal courthouses, I’m guessing, do not have many divorce cases.