Families that own the Federal Reserve Board (FRB).

No one? https://www.federalreserve.gov/faqs/about_14986.htm

Or these families? The following international investment banks are the principal stockholders of the Federal Reserve System:

Rothschild Bank of England, Rothschild Bank of Berlin, Lazard Brothers Banks of Paris, Israel Moses Seiff Banks of Italy, Warburg Banks of Hamburg and Amsterdam, Lehman Brothers Bank of New York, Kuhn, Loeb Bank of New York, Chase Manhattan Bank of New York, and Goldman, Sachs Bank of New York.

https://answers.yahoo.com/question/index?qid=20080129033627AATEyo5