David and Louise Turpin were arrested in January 2018 when one of their daughters escaped the house in the city of Perris.
They've pleaded guilty to torturing and imprisoning some of their 13 children.
The children were eventually found by police in a badly malnourished state.
Evidence also suggests they were abused.
The age of the kids ranged from two to 29 at the time they were rescued.

Trump warns Iran ‘clock is ticking’ amid rising tensions
Israeli strike kills five in Gaza, medics say
WHO declares Ebola outbreak in Congo, Uganda an emergency of international concern
Ukraine drones kill four in Russia, Moscow faces biggest attack in over a year
Trump says ISIS second-in-command killed by US and Nigerian forces
