‘Monster mum’ Rachel Trelfa and her civil partner Nyomi Fee are to ask for their murder convictions to be overturned.
Trelfa, 31, and Fee, 29, have both lodged notices of appeal with the High Court of Justiciary in Edinburgh.
The two killers are serving life sentences totalling 47 years for the brutal murder of Trelfa’s two-year-old son Liam and the heartless abuse of two other boys in their care.
A jury found the sadistic duo guilty of leaving little Liam in agony with a broken leg and a broken arm for days before inflicting the deadly blow which ruptured his heart.
A spokesman for the Scottish Courts and Tribunals service confirmed that lawyers acting for both women had lodged legal papers.
The convicted couple now have just under two months to give reasons for their legal challenges.
Trelfa has already revealed through her defence counsel Brian McConnachie that she is having a difficult a time coping with life in prison.
She and Fee were originally both held in Cornton Vale women’s prison near Stirling.
However, after sentence was passed Trelfa was transferred to Edinburgh’s Saughton Prison.
Legal sources suggested Trelfa’s appeal was likely to be based on an alleged lack of evidence that she had inflicted the fatal blow.
However, it is unclear what Fee’s grounds of appeal might be.
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