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.
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The beloved British high street chain will disappear from Britain's towns on Sunday as the last stores close down.
David Wagner insisted the hard work would continue after Huddersfield Town's 1-0 victory over Wolves kept them top of the Championship.