No. On the HBO TV show, Nucky adopts Margaret Schroeder's two children around the time that Margaret and Nucky marry. In researching The Boardwalk Empire true story, we discovered that the real Nucky Thompson (Nucky Johnson) never had any children. Yes.
The Supremcy Clause of the United States Constitution declares that the Constitution itself is the highest law of the land.
The highest law in the United States is the U.S. Constitution. No state or federal law may contradict any provision in the Constitution. In a sense the federal Constitution is a collection of inviolable statutes. It can be altered only by amendment.