David Rooke admitted false imprisonment and ABH, his son Jamie, 19, to ABH and affray and Donna Rooke to battery.
32 year-old Craig Kinsella was kept in the family's garage and made to scavenge for food from bins.
Craig, who has learning difficulties, was made to work from 7:30 am until midnight and beaten with pick axe handles.
More top news
A fine start for many
Calm and Chilly
Listen to the moment a man dialled 999 demanding that police arrest his girlfriend’s cat - for eating his bacon.