No. Frank Sinatra has three grandchildren: Amanda Lambert, AJ Lambert, and Michael Sinatra. Nancy Sinatra is the mother of Amanda and AJ. Michael is Frank Sinatra Jr.'s son. None of the grandchildren are parents yet.
Frank SInatra was a popular singer and entertainer. His entertainment was an enjoyable experience for many over the years. But Frank Sinatra did not change the world. Jonas Salk changed the world. Thomas Edison changed the world. Albert Einstein changed the world. Frank Sinatra did not.