The bodies of a mother and her teenage daughter have been found at a home in Sydney’s north-west as police probe their mysterious deaths.

Police made the grim discovery after they were called to Menzies Road in Marsfield about 10.20am today for a welfare check.

They arrived to find Jennifer Carrig, 54, and her 13-year-old daughter dead.

Jennifer Carrig
Jennifer Carrig and her 13-year-old daughter were found dead. (Nine)
The bodies of a woman and a teenage girl have been found in a home in Sydney's north-west. 
Neighbours have told 9News they did not hear or see anything out of the ordinary.  (Nine)

A crime scene has been established and detectives have begun an investigation into their deaths.

Police are unable to confirm whether their deaths are suspicious.

Neighbours have told 9News they did not hear or see anything out of the ordinary. 

Anyone with information is urged to contact local police or Crime Stoppers on 1800 333 000.

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