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 United States Constitution established the United States Supreme Court and declared it to be the highest court in the land. Article III tells us that the Supreme Court's decisions are constitutionally established to be the supreme law of the land.