Caitlyn Jenner is supporting Sophia Hutchins' mother, following her daughter's passing

According to TMZ, Amy has laid Sophia to rest at Holy Cross Catholic Cemetery in Culver City, Los Angeles.

Caitlyn and Amy are said to be "leaning on each other for support" following Sophia's passing.

Documents obtained by the website have also found Sophia's cause of death has been deferred.

Sophia, who was just 29 years old, is believed to have collided with a car while riding an ATV on a road close to Caitlyn's property in Malibu, California on July 2nd.

It is said she was pronounced dead at the scene, and no one else is believed to have been injured in the accident.

Caitlyn is yet to publicly comment on the tragedy, and it is not known whether was at home at the time of the accident.

Earlier this month, Caitlyn was said to be "numb with shock" over Sophia's passing.

A source told RadarOnline.com: "Caitlyn is numb with shock. She is absolutely devastated and can't believe what's happened. Sophia was a big part of her life."

Sophia took over managing Caitlyn's career in 2017 following the reality star's divorce from Kris Jenner.

She appeared in her reality show I am Cait and even lived with the star at her Malibu home.

Sophia explained the career move in an interview with the New York Times in 2019, insisting she just wanted to protect her friend at a vulnerable time in her life.

She told the publication: "I saw nobody was managing her, and there were all these people taking massive advantage.

"And I was saying: 'Caitlyn, if I don't step in here and start managing you, you're going to go broke'.

"Caitlyn is a parent to me. I have said that a million times. It is a parental, familial relationship."