The pair, who have interim name suppression, had troubled pasts.
The woman was born after a sexual relationship between the man and his 30-year-old foster mother when he was just 13.
He was not involved in his daughter’s upbringing, but the two began a sexual relationship after being reunited in 2010 when she was only 16.
After a conviction in 2012, both were under supervision, with the father sentenced to community work.
A police investigation in 2013 brought the latest offending to light.