Police are pleased three men convicted over murder of an Auckland Grandmother have been sentenced

Viliami Iongi and Falala Iongi were found guilty of murdering Meliame Fisi'ihoi - shooting her through the window of her South Auckland home in 2020.

Viliami's been sentenced to at least 17 years behind bars, while Falala Iongi will serve at minimum of 15-years.

Their cousin, Manu Iongi's been found guilty of manslaughter and faces at least eight and a half years in prison.

Police say their investigation team welcome today's sentences and they're pleased to reach this point some four years after Meliame was senselessly murdered.

It's alleged the brothers intended to target the victims eldest son, over a botched methamphetamine deal.