PAX Thien Jolie-Pitt was adopted by Hollywood stars Angelina Jolie and Brad Pitt from Vietnam in the early 2000s.
Pax recently made news headlines when he crashed his electric bike into the back of a car.
The 20-year-old was reportedly rushed to the hospital with a head injury following the terrifying crash.
He is said to be in a stable condition but the full extent of injuries has not been revealed yet.
He was not wearing a helmet at the time of the crash.
Pax was seen riding a Talaria Sting R MX4 electric bike around Los Angeles just days before the collision.
However, it's not been made clear if it is the same bike that was involved in the accident.
Here's everything we know about Pax's life, career and family relations.
Who is Pax Thien Jolie-Pitt?
Pax Thien Jolie-Pitt, 20, was born on November 29, 2003 in Pham Quang Sang, Vietnam.
His biological mother - who was battling addiction - abandoned him when he was only two days old after discovering he had liver problems.
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He was later placed at the Tam Binh Orphanage in Ho Chi Minh City.
Pax was adopted by Angelina Jolie from the Vietnamese orphanage in 2007.
He was later formally adopted by Pitt.
However, the couple divorced in 2016.
Does Pax Thien Jolie-Pitt have any siblings?
Pax has a number of siblings, although not biologically related.
This includes Zahara, 19, Shiloh, 18, and 16-year-old twins Vivienne and Knox.
He also has a 22-year-old older brother, Maddox.
Jolie took middle son Pax as her guest to the Golden Globes in 2018 as a way to spend quality time with him.
She told Vogue in 2021 that she had left Pitt, 59, “for the wellbeing” of her family.
Jolie initially took full custody of their six children, but a new arrangement in 2021 allowed them to spend 50 per cent of their time with Pitt.
However the decision was revoked after it turned out that the judge on the case had close business relations with Pitt.
Since then, the pair have gone back and forth over custody and visitation rights.
Since their divorce, the two have also become embroiled in a bitter legal court battle for their $350 million France vineyard.
Jolie had filed for divorce in 2016, two years after they wed and just days after reports of a clash between Pitt and Pax’s older brother Maddox on a private jet.
Allegations Pitt had been drinking and Maddox stood up for his mum during a row sparked a probe by the FBI and the Los Angeles Department of Children and Family Services.
Although Brad is apparently on good terms with his twins, the insider claimed Maddox, Pax, and Zahara have not "repaired their relationship" with the patriarch.
Pax branded his estranged father "a world-class a**hole" in a scathing post on Father's day in 2020.
In the youngster’s Instagram message rant, Pax, then 16, went on to claim the A-lister made his kids “tremble in fear”.
The full Instagram post, reportedly written by Pax, read: "Happy Father's Day to this world-class a***hole!
"You time and time and again prove yourself to be a terrible and despicable person."
What movies has Pax Thien Jolie-Pitt appeared in?
Pax has made his own mark in the world into the movie world, voicing the character of Yoo on Kung Fu Panda 3.
He was also a set photographer on Jolie's film - First They Killed My Father in August 2022.
Detailing working with Pax and Maddox on various film sets, Jolie told : "We work well together.
"When a film crew is at its best, it feels like a big family, so it felt natural."
Where did Pax Thien Jolie-Pitt go to college and did he graduate?
Pax graduated from a prestigious LA private school in 2021, but opted not to go as he did not want to make a "circus" of the event.
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Earlier this year, Pax reportedly become an artist – creating work under the pseudonym "Embtto" - but the story turned out to be a hoax.
Pax seemingly keeps a great deal of his personal life out of the public eye.