An evil mother and her half-brother have been jailed for life for slaying their two sons and trying to kill four other children they had through an abusive relationship.
Sarah Barrass and her half-brother Brandon Machin had six children together but tried to kill them all rather than aid the youngsters over to the care system.
The couple’s two eldest sons Blake, 14 and Tristan, 13, were found reposing fatally injured on their bunk beds at home in Sheffield when police arrived.
They had been choked and smothered by Barrass and Machin, while others had been doped and held marine in the bath, in an obvious effort to stop them being taken into care.
After full shocking details of cases were described in court today, Barrass, 35, and Machin, 39, were both jailed for life and ordered to serve at least 35 years behind bars.
The siblings, who are related through their mother, will be in their seventies before they can apply for parole.
It is acknowledged that the two killers had come from a dysfunctional family and Machin had himself been taken into care when he was 14.
The pair began on a physical relationship when he came out of care and they met up.
The court heard they planned their plot to kill the children because Tristan had been accused of physically assaulting a younger child and Barrass feared it would lead to all the children being taken from her.
Further, they grabbed Blake and Tristan, with Machin strangling Blake whilst Barrass strangled Tristan, using a dressing gown cord.
The pair then exchanged victims and put black bin liners over their heads ‘to make sure.
When both Blake and Tristan were dead, Barrass and Machin tried to drown one of the younger children in the bath, but he somehow managed to struggle free.
Barrass called the police and tried to blame Machin for the murders of Blake and Tristan.
But when police arrived she initially told them that the boys were not in the house. It was one of the younger children who motioned to officers that the boys were dead by drawing a finger across his throat.
The younger children, despite vomiting and suffering hallucinations, survived the attempt to kill them and recovered in intensive care.