Brandon Jenner was born in Los Angeles on June 4, 1981 to former U.S. track and field athlete Caitlyn Jenner and actress Linda Thompson. His step-mother is Kris Jenner. He is the brother of Brody Jenner, step-brother of Kourtney Kardashian, Kim Kardashian West, Khloé Kardashian, and Rob Kardashian, and half-brother of Kendall Jenner and Kylie Jenner, and Burt Jenner and Casey Jenner.
With his younger brother, Brody, he was on the TV reality show The Princes of Malibu. He appeared on the reality show Keeping Up with the Kardashians''.
On May 31, 2012 he married Leah Jenner (née Felder) in Hawaii, outside the St. Regis Princeville Resort. Together they make up the indie pop group Brandon & Leah. The group's single, "Showstopper," was used as the theme song for Season 2 of reality TV show, Kourtney and Kim Take Miami.