The Brolin Bunch: Meet Barbra Streisand's Four Grandchildren (And Why Her Son Has None)
Barbra Streisand, one of the few EGOT winners in history, has always kept her family life relatively private, but in recent years, she has openly expressed the profound joy of being a grandmother. As of December 20, 2025, the legendary star is a proud "Bubbe" to four grandchildren, though they are technically her step-grandchildren through her husband, James Brolin. This unique, blended family dynamic has created a rich and loving environment, with the four children ranging from young elementary schoolers to established actors in their 30s.
The common misconception is that Streisand's only son, Jason Gould, has children; however, the truth is that the icon's grandchildren all come from her stepson, the famous actor Josh Brolin. Streisand's public social media posts and interviews often shine a rare light on the Brolin children, confirming her deep affection for the newest generation of her sprawling Hollywood family tree.
Barbra Streisand's Family Tree: A Blended Hollywood Dynasty
To fully understand who Barbra Streisand's grandchildren are, it's essential to map out the unique family structure she has built over decades, especially since her marriage to James Brolin in 1998. The family is a complex web of Hollywood talent, with children and grandchildren from multiple marriages.
- Barbra Streisand (b. 1942): EGOT winner, singer, actress, and director.
- First Husband: Elliott Gould (m. 1963–1971).
- Only Son: Jason Gould (b. 1966). Musician, singer-songwriter, and actor. He is Streisand’s only biological child and has no children of his own.
- Second Husband: James Brolin (m. 1998–present). Actor and director.
- Stepson: Josh Brolin (b. 1968). Critically acclaimed actor, son of James Brolin and his first wife, Jane Cameron Agee.
- Step-Grandchildren (The Brolin Four): Trevor, Eden, Westlyn, and Chapel Brolin. All are children of Josh Brolin.
This blended family means Barbra Streisand is a doting step-grandmother to four individuals who carry on the Brolin acting legacy, while her son, Jason Gould, continues his career as a respected musician and artist, often collaborating with his famous mother.
The Four Grandchildren: From Hollywood Adults to Toddler Stars
Barbra Streisand’s four grandchildren, all from her stepson Josh Brolin, can be divided into two distinct groups: the adult children from Josh’s first marriage and the two young daughters from his current marriage. Streisand has publicly shared her love for all four, treating them equally as her own.
1. Trevor Mansur Brolin (The Eldest Grandchild)
Trevor Brolin is the eldest of the Brolin grandchildren, born on June 26, 1988, to Josh Brolin and his first wife, Alice Adair. Now in his mid-30s, Trevor is an established creative professional who has followed his family into the entertainment industry, but often behind the camera.
- Role: Step-Grandson.
- Age (2025): Approximately 37.
- Career: Actor, producer, and director. He has credits in short films and independent projects, showing a clear passion for the arts.
- Public Life: Trevor maintains a relatively low profile compared to his famous family, focusing on his own artistic endeavors.
2. Eden Brolin (The Actress and Singer)
Eden Brolin, born November 30, 1994, is the second child of Josh Brolin and Alice Adair. Eden is arguably the most publicly known of the adult Brolin grandchildren due to her successful acting career.
- Role: Step-Granddaughter.
- Age (2025): Approximately 31.
- Career: Prominent actress and singer. She is widely recognized for her role as Mia in the highly popular television series Yellowstone and for her work in the series Beyond.
- Personal Update: Eden married actor Cameron Crosby in 2022, continuing the family's deep ties to the entertainment world.
3. Westlyn Reign Brolin (The "Real Joy")
Westlyn Reign Brolin is the first child of Josh Brolin and his third wife, Kathryn Boyd Brolin. Her birth in 2018 marked a new, younger generation of grandchildren for Barbra Streisand and James Brolin, who often refer to her as a "real joy."
- Role: Step-Granddaughter.
- Age (2025): Approximately 6.
- Parents: Josh Brolin and Kathryn Boyd Brolin.
- Public Life: Streisand often shares loving posts about Westlyn, including a memorable one for her fourth birthday, showing the deep connection between the legendary star and her young granddaughter.
4. Chapel Grace Brolin (The Christmas Baby)
Chapel Grace Brolin is the youngest of the four, born on Christmas Day, December 25, 2020. Her unique name holds special meaning, as her father, Josh Brolin, explained that "Chapel" was chosen because they found "God in the least expected places."
- Role: Step-Granddaughter.
- Age (2025): Approximately 4.
- Parents: Josh Brolin and Kathryn Boyd Brolin.
- Latest Update: Chapel and her older sister Westlyn are frequently featured in heartwarming family photos shared by their parents and step-grandmother, Barbra, showcasing a close-knit and happy family unit.
The Question of Jason Gould's Family: Why Streisand's Grandchildren Are All 'Step'
A frequent point of curiosity for fans is why Barbra Streisand’s only biological son, Jason Gould, does not have children, making all of her grandchildren technically step-grandchildren. Jason Gould, the son of Streisand and Elliott Gould, is an accomplished singer, songwriter, and actor who has long maintained a private personal life.
Jason Gould is openly gay and has focused his career on music and acting, notably releasing albums like Where We Fall. While he is in a committed relationship, he has chosen not to have children, a decision that Barbra Streisand has publicly supported, emphasizing that her love for him is unconditional. Streisand has frequently posted about her son, highlighting their close bond and his artistic talents, but never mentions him having a family of his own.
This personal choice by Jason Gould is why the Streisand-Brolin family dynamic is centered around the four Brolin grandchildren. Barbra Streisand has embraced her role as a step-grandmother, finding "joyous" moments in being with Trevor, Eden, Westlyn, and Chapel, a sentiment she has shared in numerous interviews.
The term "step-grandchildren" is merely a technicality in the eyes of the EGOT winner. She has often spoken of the delight of watching the young girls grow up and the pride she feels for the adult grandchildren who are building their own careers in the arts. The Brolin children—Trevor, Eden, Westlyn, and Chapel—are the current focus of the Streisand-Brolin legacy, ensuring the dynasty of talent continues for another generation.
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