A 25-year-old man is accused of stabbing his 47-year-old mother to death.

The motive of the alleged attack is now under investigation as police confirmed Blaise Mcintyre had no history of violence.

It's alleged Blaise repeatedly stabbed his 47-year-old mother Rebecca at their home at Windale in Lake Macquarie at 8pm yesterday.

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Paramedics tried to revive her but she couldn't be saved.

Supt Tracy Chapman from NSW Police said police have seized a knife from the home.

The 25-year-old was taken to hospital under police guard before he was charged with domestic violence murder.

Immediately after the attack police allege it was actually Blaise Mcintyre who made the triple zero call for help.

They say he wasn't known to them prior to this incident and had never been called to police for alleged domestic violence.

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Rebecca McIntyre's friends described her to 9News as a beautiful woman who was always so warm and loving.

"She always had a smile" one neighbour said.

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