THE grieving dad of neglect victim Lauren Wade has insisted her monster mums should die in jail.

The sperm donor — an ex-pal of evil Margaret Wade, 38, and lover Marie Sweeney, 37 — blasted the “rats” pair for allowing the lice-covered two-year-old to die in misery.

3 Lauren Wade died in misery

And he insisted he’d no idea the fiends would harm the youngster when he agreed to help them have a child — but claimed they hid from authorities checking up on them.

The ex-con, who collapsed as cops broke the news of her death in prison, said: “Rats is too good a name for them. They’re lower than the low.

“It p***** me off knowing they are sitting back in jail watching telly smoking a fag. They should die in there for what they’ve done.”

He spoke out after we told how vile Wade and Sweeney left little Lauren without food in a filthy flat in Sighthill, Glasgow.

They were originally charged with murder but admitted neglect of the “skinny, dirty” tot and two other kids.

Recalling how he agreed to father Lauren with Wade, he said: “They couldn’t afford IVF.

“We tried the turkey baster and it didn’t work so we did it naturally.”

The man in his 30s, who ask­ed not to be named and used to share a pad with the couple, added: “There was nothing to say they were going to be bad parents.

3 The disgusted dad spoke out about the pair Credit: Alan MacGregor Ewing - The Sun Glasgow

"Lauren got hot dogs and spaghetti hoops and afterwards a yoghurt and a wee lolly.

“When I saw Lauren for the last time she seemed fine. She was in her pram.

“Margaret’s jacket was stained and she seemed a bit drawn down. But Lauren’s face was covered in chocolate. Before I went into prison I didn’t have one concern.

"There were toys on the floor but Margaret was making dinners and sweeping up.”

3 Wade, left, and Sweeney starved Lauren

But he said the pair’s previous homes had been “s***holes”.

He added: “For months it would be spotless. But always went downhill — crisp wrappers on the floor, the ends of fags and the ends of joints.”

He claimed Sweeney reacted angrily when social services visited — and later refused to let a teacher in.

He added: “Marie was raging, saying, ‘That cow, slagging my house’.

“There were empty curry cartons lying mouldy. So I cleaned it.

“There were other relatives but they didn’t ask for help. They didn’t want people knowing they were taking drugs. They disgust me.”

Lauren died from “complications from malnutrition” in March 2015.

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She also had a sodden nappy and bald patches. A child protection report is due to be published next year.

The pair were remanded at the High Court in Glasgow and will be sentenced later.

kevin.duguid@the-sun.co.uk

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