She admitted to being involved in a sexual relationship with her brother since his release.
He is allowed to access the internet but is not allowed to delete the search history because police will regularly inspect all his electronic devices.
After the girl told their mum what he had been doing the boy claimed she had agreed to have sex.
She explained that the room had a partition and the children would stay on the other side of the partition when she and her brother had sex.
This story has got everything! She also stated that they had been staying in a motel and her, Beck and the twin girls were sleeping in the same bed.
Mr Fenny said 'Cases of this nature will increasingly come before the court because of the access young people now have to hard core pornography.
District Judge Joti Bopa-Rai sentenced him to a 12-month referral order and imposed a Sexual Harm Prevention Order for five years.