Onehunga homicide: Police identify person of interest in killing of 77-year-old Maria Brown

Police have identified a person of interest in relation to the killing of Maria Brown, a treasured Auckland grandmother who was found dead at her home at the weekend.

A homicide investigation was launched after a family member found Brown, 77, deceased at a Moana Ave, Onehunga address about 10am on Sunday.

Detective Inspector Scott Beard said a person of interest "has been identified and that this person is not at large in the community".

"Police are satisfied that this person does not pose any risk to the community," Beard said.

"The investigation is ongoing, and updates will be provided in due course.

"We would like to reassure the public that police are not seeking anyone else in relation to this incident."

Police at the Onehunga address. Photo / Hayden Woodward

Brown, a widow who lived alone, left behind a twin sister, who lives in American Samoa.

Born and raised on Savai'i, Brown had immigrated to New Zealand with family many years ago.

She had five children and many grandchildren.

Police were yet to confirm her cause of death.