Ever since Kai Trump stepped onto the stage at the Republican National Convention, people have been scrambling to figure out more about the "next generation" of the Trump dynasty. She’s the one who made her grandfather seem like a regular guy who sneaks her candy when her parents aren't looking. But honestly, Kai is just the tip of the iceberg when it comes to the crew Donald Trump Jr. and his ex-wife Vanessa raised in Florida.
Kai is the oldest. She's 18 now, born May 12, 2007. Being the first of ten grandchildren is a big deal, but she’s got four younger siblings who mostly stay out of the spotlight. These kids aren't just names in a family tree. They're a tight-knit group of teenagers and pre-teens who spend a ton of time fishing, golfing, and hanging out at Mar-a-Lago.
If you’ve seen the family photos on Instagram, you know they look like a mini-army. Here is the real breakdown of the Kai Trump siblings ages and what they're actually like away from the cameras.
The Full Lineup: Kai Trump Siblings Ages and Birthdays
It’s easy to get confused because the ages are so close together. Between 2007 and 2014, Vanessa and Don Jr. were basically in a permanent state of diapers and toddler tantrums.
Donald John Trump III is the oldest brother. He was born on February 18, 2009. That makes him 16 years old. Within the family, everyone calls him "Donny." He’s often seen on his dad’s social media participating in the annual "boys hunt" trips and seems to be following the classic Trump trajectory of being outdoorsy and business-minded.
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Next up is Tristan Milos Trump. He arrived on October 2, 2011. He’s 14. Tristan is right in that middle-school-to-high-school transition phase. He is frequently pictured on the family boat or holding a fish twice the size of his head.
Then there’s Spencer Frederick Trump, born October 21, 2012. He is 13. He and Tristan are less than a year apart, which is wild if you think about the energy levels in that house during their younger years. They basically grew up like twins.
Finally, the youngest of the bunch is Chloe Sophia Trump. She was born June 16, 2014, making her 11 years old. Being the youngest and the only other girl besides Kai, she definitely holds her own. Her dad often posts about her "captaining" their boat or showing off her golf swing.
Why the Siblings Are Growing Up Different
Living in Jupiter, Florida, has definitely shaped these kids. Unlike their father, who grew up in the intense concrete jungle of Manhattan, the Kai Trump siblings have had a very "Florida" upbringing. We’re talking more time on the water than on Wall Street.
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Kai has been very open about her passion for golf. She’s even committed to the University of Miami for 2026. While the younger siblings haven't made huge public speeches like Kai did, they are often seen on her YouTube channel. You'll catch them in the background of her vlogs, just being regular kids who happen to have a very famous grandfather.
The Dynamics of the "Five"
Having five kids in seven years is a lot for any family. Vanessa Trump has spoken in the past about how she managed the household, often describing it as organized chaos. Despite the divorce in 2018, the kids seem remarkably stable. They split time between their parents, but since both Don Jr. and Vanessa live in the same area of Florida, the siblings stay together as a unit.
It's also worth noting the age gap between this group and their cousins. Kai is the leader of the pack among the grandkids. Her closest cousin in age is Ivanka’s daughter, Arabella Kushner, who was born in 2011. This means the Don Jr. kids really form the core "older" group of the third generation.
Common Misconceptions About the Trump Grandkids
People often assume these kids are being groomed for politics. However, in a recent interview, Kai herself said she'd "never run" for office and stays "very much in the middle" when it comes to her personal interests. She’s a golfer first.
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Another mistake people make is forgetting about the youngest siblings. Because Spencer and Tristan are so close in age and look quite similar, they often get lumped together in news reports. But they have distinct personalities—Spencer is often the one seen on rugged hunting trips, while Tristan seems more into the fishing lifestyle.
Life at The Benjamin School
Most of the siblings attend or have attended The Benjamin School in Palm Beach. It’s a prestigious private school, but it’s also known for its athletics. This is where Kai honed her golf skills. The school environment provides a bit of a "bubble" that protects them from the more intense media scrutiny that follows their grandfather.
What to Watch for in 2026
As of early 2026, we’re seeing a shift. Kai is heading off to college soon. This leaves Donny as the "man of the house" among the siblings. With Chloe turning 12 later this year and entering her pre-teen years, the family dynamic is shifting from "little kids" to a house full of teenagers.
If you want to keep up with them, social media is actually the best bet. Don Jr. is a prolific poster, and Kai’s YouTube channel gives a much more authentic, "behind-the-scenes" look at their lives than any news segment ever could. You'll see them eating pizza, complaining about early morning workouts, and arguing over who's the better golfer.
To get a clear picture of the birth order, just remember:
- Kai (2007): The 18-year-old college-bound golfer.
- Donny (2009): The 16-year-old eldest son.
- Tristan (2011): The 14-year-old middle son.
- Spencer (2012): The 13-year-old youngest son.
- Chloe (2014): The 11-year-old youngest daughter.
You can follow Kai Trump on YouTube or Instagram to see her latest golf tournaments and family vlogs. For those interested in the broader family tree, keeping an eye on Donald Trump Jr.’s social media usually provides the most frequent updates on the younger siblings' milestones and birthdays.