Queensland mother charged with murdering two children, seriously assaulting daughter

Gold Coast police have charged a mother with the murders of her two children in a five-year period from September 2012.

A mother has been charged with the murders of her 18-year-old daughter and 26-year-old son five years apart on the Gold Coast.

Police arrested the 51-year-old in the south Brisbane suburb of Coorparoo on Wednesday morning and spent several hours questioning her before charging her over the deaths.

Investigators alleged she was responsible for killing her son whose body was found at an Upper Coomera home on July 18 last year.

The teenager daughter's body was found at a Maudsland home on 4 September, 2012, where the accused was living at the time.

She is also accused of seriously assaulting her 25-year-old daughter on a number of occasions over several years.

The mother will face Brisbane Magistrates Court on Wednesday afternoon on two counts of murder, one count each of torture and grievous bodily harm, two counts each of fraud and attempted fraud, and one count of robbery whilst armed.

Detective Inspector Mark Thompson said the investigation had been complex as some of the alleged incidents occurred across Australia.

"That is why we are appealing for anyone who may have any information that could assist with the investigation," Det Insp Thompson said.

"Any piece of information, no matter how small, can have a significant impact on our investigation."

Published 24 January 2018 at 3:10pm, updated 24 January 2018 at 4:16pm