Kim Porter‘s cause of death has been released.

The model and ex-girlfriend ofSean “Diddy” Combsdied of lobar pneumonia, the Los Angeles County Department of Medical Examiner-Coronerannounced Friday. The manner of death has been certified as natural.

Anautopsy was completedon Porter a day after she was found dead in her home on Nov. 15, but her death certificate previously stated her cause of death as “deferred” and the manner of death as “pending investigation.” She was 47.

“On Nov. 16, an autopsy was performed on Porter. The cause of death was deferred pending additional tests. Porter’s body has since been released from our facility,” a spokesperson for the Los Angeles County Medical Examiner-Coroner said in a statement released at the time.

Kim Porter.Abel Fermin/REX/Shutterstock

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“I just want to say to my kids, Justin, Christian, D’Lila, Jessie, Chance and the other man in the house, Quincy: Your mother instilled in me this, and I pledge in front of everybody right now that I will always be there for you,” Combs said as the audience applauded. “I will always take care of you.”

Eliciting laughter and claps, Combs added, “To the girls especially, we about to enter some different type of times. I want you to be able to talk to me about everything, and I mean everything, and I mean everything.”

Kim Porter with Sean “Diddy” Combs and their children.Charley Gallay/Getty Images

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Shortly before Porter’s funeral began on Saturday, Combs honored Porter with an emotional note.

“Today we lay to rest our ANGEL,” hewroteon Twitter. “Her spirit lives on with us FOREVER!!! We thank you all for your prayers and support. You have no idea how much it means to us. We thank GOD for all of you.”

Insiders previously told PEOPLE that Combs, 49, held a memorial for Porter on Nov. 18 at his home in Bel Air, California. Among the 100 guests present were Kim Kardashian,Mary J. Blige,French MontanaandKourtney Kardashian.

RELATED VIDEO: Diddy’s Other Exes Pay Tribute to Kim Porter as They ‘Promise to Love and Protect’ Her Kids

On Nov. 15, officers were alerted after a woman was found unresponsive in Toluca Lake, California. She was declared dead at 11:40 a.m. local time. The Los Angeles County Sheriff’s Office confirmed Porter’s deathin a statement.

A rep for Combs confirmed Porter’s death to PEOPLE at the time, saying, “Sadly, I can confirm the passing of Kim Porter. I ask that you give the families privacy at this time.”

Combsbroke his silence for the first time after Porter’s death on Nov. 17,writing on Instagram, “For the last three days I’ve been trying to wake up out of this nightmare. But I haven’t.”

Kim Porter and Sean “Diddy” Combs.Chris Polk/FilmMagic

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The couple began dating in the ’90s and had their three children throughout their on-and-off-again relationship.

Combs and Porter broke up in 1999 and battled in court over child support for Christian; Combs also datedJennifer Lopezfor two years before he and Porter reconciled in 2003. They split for the final time in 2007.

The day after Porter’s death, a sourcetold PEOPLE: “Diddy is devastated and shocked. He and Kim were still very close friends and co-parents even though their romantic relationship didn’t work. They were still a family.”

Another source close to Combs said that he is “is very muchstruggling.”

“This is the most awful, sad and unreal situation for him. It’s a nightmare,” the source continued. “He isn’t sleeping. He always had a very special relationship with Kim. Despite not being together romantically, he loved Kim. It was really true love, and he is hurting badly right now.”

Bruce Glikas/FilmMagic

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In 2017, Combstold PEOPLEthat his children are all “really kind, great people.”

“They got a lot of love in their heart,” he said. “I’m the luckiest man in the world.”

source: people.com