The woman, in her early 20's, spoke slowly as she testified in her father's trial. She says her father told his family he was a prophet sent here to "change the system."
The man's former wife already testified that he held apocalyptic visions and wanted to create "pure" family bloodlines.
The Associated Press generally doesn't identify victims of sexual crimes and is not reporting the names of the husband and wife or their children, now over 18.
The man, who was arrested in 2006 and ruled competent to stand trial this year, has pleaded not guilty to all charges.