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".
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An 18-year-old man has been arrested on suspicion of murder following the death of a teenage girl in the Dinnington area of Rotherham.
Arthur Hutchinson claims the whole life term amounts to inhumane and degrading treatment, as he has no hope of release.
The 22-year-old outclassed Colombian Santiago Giraldo in straight sets.