The Rockefeller family was among the wealthiest families in the United States of America during the 20th century. They were overwhelmingly generous with their donations, which fueled the creation of the phrase, "rich like Rockefeller".
Before getting his books in order, Vic Fontaine was unable to ascertain if he was "rich as Rockefeller or poor as a church mouse". (DS9: "It's Only a Paper Moon")
Oysters Rockefeller, mentioned in DS9: "His Way", were supposedly named after one of the members of the Rockefeller family.'