All About UCLA Basketball Star Lauren Betts’ Siblings, Including Her Teammate Sister

Lauren Betts #51 of the UCLA Bruins during the 2026 NCAA Women's Basketball Tournament on March 27, 2026 in Sacramento, California; Lauren Betts and her sister Sienna in September 2025. Credit: Harry How/Getty; Lauren Betts/Instagram NEED TO KNOW Lauren Betts has three younger siblings: Sienna, Dylan and Ashton Sienna joined her older sister's team, the UCLA Bruins, in 2025, and Dylan plays on his high school basketball team Though she and her siblings were born in Spain, they relocated to Colorado when Lauren was 8 years old Lauren Betts has bonded with her siblings over a shared love of basketball — she and her younger sister are even on the same team. "It's been super special as an older sister," the University of California, Los Angeles Bruins center told SportsCenter in March 2026.

"To win games like that and have your sister on the floor with you, it's unforgettable. " The basketball star is the oldest of three siblings: Sienna, Dylan and Ashton, per her UCLA bio. She spent the first few years of her life living in Spain, where her father, Andy Betts, played professional basketball until the family moved to Colorado when she was in the third grade.

“Since my dad worked a lot, it was usually just my mom, my siblings, Sienna and Dylan, and me,” Lauren wrote in a 2026 essay for Players' Tribune . Though little is known about Ashton, who is Andy's child from a different relationship, Dylan has also inherited their dad's affinity for basketball and plays for his high school team, per USA Basketball . Here's everything to know about Lauren Betts' siblings, Sienna, Dylan and Ashton.

They moved to the U. S. when Lauren was 8 Lauren Betts and her sister Sienna in March 2026.