Mersane Warria have been charged with the murder of seven of her children and her niece in the Australian city of Cairns.
Mersane Warria, 37, was charged while in hospital where she is being treated under guard for self-inflicted knife wounds, police say.
Post-mortem examinations are being carried out to determine the exact cause of the eight victims’ deaths.
The four boys and four girls were aged between 18 months and 14 years.
Officers said they were looking at various possibilities for the deaths, including suffocation.
The bodies were reportedly discovered by the mother’s 20-year-old son arriving at the home on December 19.
Police have dismissed reports the family had been investigated by social services saying it was “not a problem house”.
Memorials have sprung up outside the home in the Manoora district of Cairns.
A church service was held on Sunday morning to remember the children.
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