A daughter who screamed "Die, die, you dog," while her stabbed mother was making a triple-0 emergency call, has been sentenced to a minimum of three and a half years in jail for her killing.
Krystal Jade Seymour was in March found not guilty of murder but guilty of the manslaughter of her mother, Donna Seymour, whom she fatally stabbed at her Girraween home in western Sydney in November 2010.
In sentencing the 26-year-old at the NSW Supreme Court on Thursday(NZT), Justice Derek Price said the attack was not planned and had occurred after some provocation.
But he also found Seymour had used excessive force and had abandoned her mother to bleed to death.
Seymour silently cried and shook as she was sentenced to a maximum of six and a half years with a non-parole period of three and a half years.
Having been in custody since the attack, the mother of three will be eligible for release on May 23, 2014.During Seymour's trial the jury heard how she had returned home in the early hours of November 24 from a night drinking with friends when she began making a sandwich.
Her mother allegedly became aggressive, charged at her and headbutted her, before Seymour stabbed her once in the left arm with a kitchen knife she was already holding.
In the subsequent triple-0 call, the mother was heard telling the operator: ''I am bleeding to death, she has cut an artery ... she stabbed me."
Seymour could allegedly be heard yelling, "She pushed me and her f***ing pushed me" as well as "Die, die, you dog."
Justice Price was not satisfied Seymour's mother had headbutted her, he believed the older woman had rushed at her daughter as if to hit her.
Although he believed Seymour didn't intend to kill her mother, he said any suggestion it was accidental was "demolished" by the acrimony displayed during the triple-0 call and her failure to help her mum.
The fatal stabbing marked the end of a "turbulent" mother-daughter relationship, he said.
Seymour, the court heard, had had a "deprived and dysfunctional" upbringing, characterised by physical and emotional abuse and a mother with a long history of narcotic addiction.
On her death, a range of drugs including amphetamine, methylamphetamine and methadone were found in her blood.
When sentencing Seymour, Justice Price said he took into consideration her relative youth, her depressive state at the time of the attack and her good prospects of rehabilitation.
Speaking outside court, Seymour's aunt Debra Seymour said her niece should have got a longer sentence. "You don't take someone's life and ... leave them to lie there to die," she told reporters.
"You don't even leave a dog on the road to die."
"I have got a life sentence of not having my sister around, and she can come out and carry on with her life again."