Kylie Jenner's Siblings and Family Structure
Kylie Jenner has four siblings: three half-sisters and one half-brother. Her father, Caitlyn Jenner, has six children in total. Kylie shares three siblings with Caitlyn from previous marriages, and her mother, Kris Jenner, has one additional child from a later relationship. This makes the total number of Kylie Jenner siblings four, with three from her father's side and one from her mother's side Forbes.
The sibling relationships are structured through two marriages. Caitlyn Jenner was married to Kris Kardashian from 1991 to 2015, producing four children: Kourtney, Kim, Khloé, and Rob. After divorcing Kris, Caitlyn had one child with Linda Thompson, and Kris had one child with Bruce's former spouse, making the full sibling count clear Biography.com.
Names, Ages, and Careers of Kylie Jenner's Siblings
Kylie's half-sisters are Kourtney Kardashian, Kim Kardashian, and Khloé Kardashian. Her half-brother is Rob Kardashian. Their ages range from the early 40s to late 30s, with Kourtney being the oldest and Rob the youngest among the Kardashian siblings. Kylie is the youngest of all the Jenner children and the second youngest in the broader sibling group Forbes.
All siblings are involved in media and business. Kourtney stars in the reality show and runs Poosh. Kim leads SKIMS and SKKN. Khloé owns Good American. Rob has focused on personal ventures. Kylie built Kylie Cosmetics and Kylie Skin, making her the youngest self-made billionaire on the Forbes list at one point Forbes.
Summary of Kylie Jenner's Siblings
The final count is four siblings for Kylie Jenner. Three are half-sisters: Kourtney, Kim, and Khloé. One is a half-brother: Rob. The family is connected through Caitlyn Jenner and Kris Jenner's marriages and divorces. This structure defines the modern Kardashian-Jenner blended family Biography.com.
Kylie is the youngest of the four Jenner children from Caitlyn's side and the second youngest in the full sibling group. The family's combined media empire, social media reach, and business ventures make them one of the most influential families globally. The sibling dynamic remains central to their reality TV shows and brand collaborations Forbes.