Complex sentence: He said she was paranoid, struggling with the concept of good and evil, and believed the devil had taken her over, had given her the power to project evil onto others, and that she could make her sons have sex and cause violence with her.
Split into simpler sentences: He said she was paranoid, struggling with the concept of good and evil, and believed the devil had taken her over and had given her the power to project evil onto others. The delusion included a belief that she could make her sons have sex and cause violence with her.