(CNN) The death of model and actress Kim Porter was a caused by pneumonia, the Los Angeles County Coroner's Office said Friday.

Porter was 47.

She was found dead in her home in the Toluca Lake neighborhood last November. Her manner of death had been pending investigation since then.

Porter and musician and entrepreneur Sean "Diddy" Combs were a couple for more than a decade until 2007. They had twin daughters and a son together. Porter also had a son from a previous relationship.

She maintained a close friendship with Combs after their split.