Amanda Hutton, 43, was found guilty of the manslaughter of Hamzah at Bradford Crown Court yesterday. She was sentenced today for manslaughter, child neglect and preventing the burial of her dead son's body.
Hamzah died in December 2009 due to severe malnutrition. His mummified remains were found in squalid conditions at their Bradford family home 21 months later.
The judge said Hutton posed a "real danger" to children, adding that she had shown a "terrible failure to fulfil the most basic responsibility; in short you starved Hamzah to death".
"Your wicked conduct has been displayed in such awful detail," the BBC reported.
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Hamzah's body was found in a cot in Hutton's Bradford bedroom in September 2011, amid scenes of utter squalor. Five other school-age children were found amid the debris.
The court heard that the four-year-old died in December 2009 due to malnutrition as a result of his mother's alcoholism and neglect.
The boy's body was found after an inexperienced police community support officer became concerned about children at the house while she was investigating reports of soiled nappies being thrown into a neighbour's garden.
Hutton's eldest son, Tariq Khan, 24, also admitted preventing Hamzah's burial and received a two-year jail sentence, suspended for two years.
Hutton showed no emotion as she was led from the dock, the report said.