Complex sentence: Maxwell moved to the United States after her father's death and has become notable as an advocate for the ocean as the founder of The TerraMar Project, and her friendship with Jeffrey Epstein and Prince Andrew, Duke of York.
Split into simpler sentences: Maxwell moved to the United States after her father's death and has become an advocate for the ocean as the founder of The TerraMar Project. She is also a friend of Jeffrey Epstein and Prince Andrew, Duke of York.