Complex sentence: Her enemies and critics claim she was born in a prison at Niort because her father, the Huguenot Constant d'Aubigné, was incarcerated there for conspiring against Cardinal Richelieu.
Split into simpler sentences: Her enemies and critics claim she was born in a prison at Niort. Her father, the Huguenot Constant d'Aubigné, was incarcerated there for conspiring against Cardinal Richelieu.