Calling it "an exceptional case", Judge Peter Kelson QC jailed David Rooke for six-and-a-half years, his son Jamie Rooke for four years and wife Donna Rooke for four months.
Judge Kelson also called it "a wake up call".
More top news
Friends of a Rotherham teenager, who is battling leukaemia, are walking 63 miles to Cleethorpes - to help raise funds for treatment in US.
Often very windy with rain or showers
Often very windy, especially as we head into Sunday, with rain or showers. Met Office 'Be Aware' warnings have been issued