Trevor Mansur Brolin is the name that people search for when they are looking to know about Brolin’s eldest son Trevor Mansur, he is the eldest son of actor Josh Brolin and actress Alice Adair. He was born in Los Angeles on June 26, 1988, and he is 38 years old as of October 2026.
He has a handful of short film credits to his name but none to public celebrity career. A lot of websites puff his story up with speculation, so this article sticks to what can be trusted sources wise.
Key Takeaways
- Trevor Mansur is the search name for Trevor Mansur Brolin, who is usually credited as Trevor Brolin.
- He was born on June 26, 1988, in Los Angeles. He is 38 as of October 2026.
- His parents are Josh Brolin and Alice Adair, and his grandfather is actor James Brolin.
- His siblings are Eden Brolin (full sister) and Westlyn and Chapel (half-sisters).
- IMDb credits him on three short films: X (2008), Felt (2011) and All Kids Count (2011).
- His current job, net worth, height and relationship status are not reliably confirmed.
Trevor Mansur at a Glance
- Full name: Trevor Mansur Brolin
- Born: June 26, 1988, Los Angeles, California
- Parents: Josh Brolin and Alice Adair
- Known for: Short film work and being part of the Brolin family
- Social media: No confirmed official public presence
Who Is Trevor Mansur?
Trevor Mansur Brolin is the eldest son of Josh Brolin and Alice Adair. According to People, his parents married in 1988, the year he was born.
IMDb says that his birth name is Trevor Mansur Brolin and that he is an actor and producer. He comes from a family of actors, but has kept a low profile as an adult.
This secrecy is the primary reason there is so little reliable information. There are virtually no interviews or official statements from him.
Trevor Mansur’s Age and Birthday
Trevor was born on June 26, 1988. In June 2026, he will be 38 years old.
You will still find 37 on many pages, but this information is out of date. If you find a site listing a different birth year, it is likely referring to someone else.
Family Background
Parents
Josh Brolin Known For No Country for Old Men, Avengers films Alice Adair is an actress. Their marriage ended in the mid-1990s, although sources vary on the exact year.
Grandfather
Trevor has paternal grandfather, the actor James Brolin. James Brolin, who is married to Barbra Streisand and to whom she is step-grandmother to Trevor.
Siblings
Eden Brolin (born 1994) is his younger full sister and an actress and singer. Through his father’s marriage to Kathryn Boyd, he also has two younger half-sisters, Westlyn Reign (2018) and Chapel Grace (25 December 2020).
Trevor Mansur’s Film Credits
IMDb lists him on three short films. They’re all minor projects from early in his adult life.
- X (2008): Directed and written by his father. Trevor is credited with additional music, and Eden appears in it.
- Felt (2011): A short drama of about six minutes. He is credited as writer, director, producer and cinematographer, and he appears in it.
- All Kids Count (2011): A brief appearance as a mall shopper.
No confirmed credits were found after 2011. Pages that refer to him as a top-tier director or an A-list producer are giving propaganda credit.
Common Mistakes About Trevor Mansur Online
The results for his name are just recycled allegations. Here is what to ignore.
- A specific day job. Sites assign him very different careers with no reliable source. None is confirmed.
- A dollar net worth. Estimates vary wildly and have no public records behind them.
- Exact height and appearance details. Sources conflict, and none is authoritative.
- Engagement or marriage news. We could not confirm any from a reliable outlet.
- The wrong mother. One page says Diane Lane is his mother. That is incorrect. His mother is Alice Adair.
- A different person. A few pages describe another “Trevor Mansur” born in 1995 with a UCLA degree and a TV role. That profile has no credible sourcing and no link to the Brolin family.
Is Trevor Mansur on Social Media?
We were unable to verify any official public account. Since celebrity family members are prone to having fake and fan accounts, treat any profile purporting to be him with skepticism unless a family member or a trusted outlet confirms it.
Frequently Asked Questions
Who is Trevor Mansur?
Trevor Mansur is Trevor Mansur Brolin, the eldest son of Josh Brolin and Alice Adair.
How old is Trevor Mansur?
He was born on June 26, 1988, so he is 38 as of October 2026.
Is Trevor Mansur an actor?
He has a small acting role in All Kids Count and appears in Felt, both short films from 2011. He is not a well known working actor.
Who are Trevor Mansur’s siblings?
Eden Brolin is his full sister. Westlyn and Chapel are his half-sisters.
Is Trevor Mansur related to James Brolin?
Yes. James Brolin is his paternal grandfather.
What is Trevor Mansur’s net worth?
It is not publicly confirmed. Treat any exact figure as a guess.
Conclusion
Trevor Mansur is a private citizen, but he comes from a well-known family and has a couple of film credits to his name. His biological details, parents, siblings, and credits are all well-documented. The rest of the information you find online is not.



