The children's upbringing has been marked by the father's abuse, which has been going on for several years according to the indictment.
The abuse began when one of the children was six years old.
According to the indictment, the man has raped the children a large number of times and the evidence contains recorded films from the abuse.
The children were taken into care
The man is now charged with several cases of aggravated rape of a child, aggravated child pornography and exploitation of children for sexual posing.
According to a ruling in the Administrative Court, the children were taken into care by the social services at the end of 2020 after suspicions that the children were doing badly at home.
The same autumn, the man was arrested and detained on suspicion of the crimes.
The man is said to have had over 150,000 pictures and over 1300 films with child pornographic content.